40891760

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{137}}^1$

素因数の和:211

約数の個数: 160

約数和(自身を含む): 120742272

約数和(自身を除く): 79850512

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 41, 52, 56, 65, 70, 80, 82, 91, 104, 112, 130, 137, 140, 164, 182, 205, 208, 260, 274, 280, 287, 328, 364, 410, 455, 520, 533, 548, 560, 574, 656, 685, 728, 820, 910, 959, 1040, 1066, 1096, 1148, 1370, 1435, 1456, 1640, 1781, 1820, 1918, 2132, 2192, 2296, 2665, 2740, 2870, 3280, 3562, 3640, 3731, 3836, 4264, 4592, 4795, 5330, 5480, 5617, 5740, 7124, 7280, 7462, 7672, 8528, 8905, 9590, 10660, 10960, 11234, 11480, 12467, 14248, 14924, 15344, 17810, 18655, 19180, 21320, 22468, 22960, 24934, 28085, 28496, 29848, 35620, 37310, 38360, 39319, 42640, 44936, 49868, 56170, 59696, 62335, 71240, 73021, 74620, 76720, 78638, 89872, 99736, 112340, 124670, 142480, 146042, 149240, 157276, 196595, 199472, 224680, 249340, 292084, 298480, 314552, 365105, 393190, 449360, 498680, 511147, 584168, 629104, 730210, 786380, 997360, 1022294, 1168336, 1460420, 1572760, 2044588, 2555735, 2920840, 3145520, 4089176, 5111470, 5841680, 8178352, 10222940, 20445880, 40891760]

約数ペア:

[(1, 40891760), (2, 20445880), (4, 10222940), (5, 8178352), (7, 5841680), (8, 5111470), (10, 4089176), (13, 3145520), (14, 2920840), (16, 2555735), (20, 2044588), (26, 1572760), (28, 1460420), (35, 1168336), (40, 1022294), (41, 997360), (52, 786380), (56, 730210), (65, 629104), (70, 584168), (80, 511147), (82, 498680), (91, 449360), (104, 393190), (112, 365105), (130, 314552), (137, 298480), (140, 292084), (164, 249340), (182, 224680), (205, 199472), (208, 196595), (260, 157276), (274, 149240), (280, 146042), (287, 142480), (328, 124670), (364, 112340), (410, 99736), (455, 89872), (520, 78638), (533, 76720), (548, 74620), (560, 73021), (574, 71240), (656, 62335), (685, 59696), (728, 56170), (820, 49868), (910, 44936), (959, 42640), (1040, 39319), (1066, 38360), (1096, 37310), (1148, 35620), (1370, 29848), (1435, 28496), (1456, 28085), (1640, 24934), (1781, 22960), (1820, 22468), (1918, 21320), (2132, 19180), (2192, 18655), (2296, 17810), (2665, 15344), (2740, 14924), (2870, 14248), (3280, 12467), (3562, 11480), (3640, 11234), (3731, 10960), (3836, 10660), (4264, 9590), (4592, 8905), (4795, 8528), (5330, 7672), (5480, 7462), (5617, 7280), (5740, 7124)]