40802080

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{239}}^1$

素因数の和:362

約数の個数: 96

約数和(自身を含む): 106686720

約数和(自身を除く): 65884640

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 97, 110, 160, 176, 194, 220, 239, 352, 388, 440, 478, 485, 776, 880, 956, 970, 1067, 1195, 1552, 1760, 1912, 1940, 2134, 2390, 2629, 3104, 3824, 3880, 4268, 4780, 5258, 5335, 7648, 7760, 8536, 9560, 10516, 10670, 13145, 15520, 17072, 19120, 21032, 21340, 23183, 26290, 34144, 38240, 42064, 42680, 46366, 52580, 84128, 85360, 92732, 105160, 115915, 170720, 185464, 210320, 231830, 255013, 370928, 420640, 463660, 510026, 741856, 927320, 1020052, 1275065, 1854640, 2040104, 2550130, 3709280, 4080208, 5100260, 8160416, 10200520, 20401040, 40802080]

約数ペア:

[(1, 40802080), (2, 20401040), (4, 10200520), (5, 8160416), (8, 5100260), (10, 4080208), (11, 3709280), (16, 2550130), (20, 2040104), (22, 1854640), (32, 1275065), (40, 1020052), (44, 927320), (55, 741856), (80, 510026), (88, 463660), (97, 420640), (110, 370928), (160, 255013), (176, 231830), (194, 210320), (220, 185464), (239, 170720), (352, 115915), (388, 105160), (440, 92732), (478, 85360), (485, 84128), (776, 52580), (880, 46366), (956, 42680), (970, 42064), (1067, 38240), (1195, 34144), (1552, 26290), (1760, 23183), (1912, 21340), (1940, 21032), (2134, 19120), (2390, 17072), (2629, 15520), (3104, 13145), (3824, 10670), (3880, 10516), (4268, 9560), (4780, 8536), (5258, 7760), (5335, 7648)]