40071040

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{127}}^1$

素因数の和:192

約数の個数: 128

約数和(自身を含む): 105753600

約数和(自身を除く): 65682560

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 29, 32, 34, 40, 58, 64, 68, 80, 85, 116, 127, 128, 136, 145, 160, 170, 232, 254, 272, 290, 320, 340, 464, 493, 508, 544, 580, 635, 640, 680, 928, 986, 1016, 1088, 1160, 1270, 1360, 1856, 1972, 2032, 2159, 2176, 2320, 2465, 2540, 2720, 3683, 3712, 3944, 4064, 4318, 4640, 4930, 5080, 5440, 7366, 7888, 8128, 8636, 9280, 9860, 10160, 10795, 10880, 14732, 15776, 16256, 17272, 18415, 18560, 19720, 20320, 21590, 29464, 31552, 34544, 36830, 39440, 40640, 43180, 58928, 62611, 63104, 69088, 73660, 78880, 81280, 86360, 117856, 125222, 138176, 147320, 157760, 172720, 235712, 250444, 276352, 294640, 313055, 315520, 345440, 471424, 500888, 589280, 626110, 690880, 1001776, 1178560, 1252220, 1381760, 2003552, 2357120, 2504440, 4007104, 5008880, 8014208, 10017760, 20035520, 40071040]

約数ペア:

[(1, 40071040), (2, 20035520), (4, 10017760), (5, 8014208), (8, 5008880), (10, 4007104), (16, 2504440), (17, 2357120), (20, 2003552), (29, 1381760), (32, 1252220), (34, 1178560), (40, 1001776), (58, 690880), (64, 626110), (68, 589280), (80, 500888), (85, 471424), (116, 345440), (127, 315520), (128, 313055), (136, 294640), (145, 276352), (160, 250444), (170, 235712), (232, 172720), (254, 157760), (272, 147320), (290, 138176), (320, 125222), (340, 117856), (464, 86360), (493, 81280), (508, 78880), (544, 73660), (580, 69088), (635, 63104), (640, 62611), (680, 58928), (928, 43180), (986, 40640), (1016, 39440), (1088, 36830), (1160, 34544), (1270, 31552), (1360, 29464), (1856, 21590), (1972, 20320), (2032, 19720), (2159, 18560), (2176, 18415), (2320, 17272), (2465, 16256), (2540, 15776), (2720, 14732), (3683, 10880), (3712, 10795), (3944, 10160), (4064, 9860), (4318, 9280), (4640, 8636), (4930, 8128), (5080, 7888), (5440, 7366)]