40661440

素因数分解:

$2^6\times 5^1\times {\mathrm{283}}^1\times {\mathrm{449}}^1$

素因数の和:749

約数の個数: 56

約数和(自身を含む): 97383600

約数和(自身を除く): 56722160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 283, 320, 449, 566, 898, 1132, 1415, 1796, 2245, 2264, 2830, 3592, 4490, 4528, 5660, 7184, 8980, 9056, 11320, 14368, 17960, 18112, 22640, 28736, 35920, 45280, 71840, 90560, 127067, 143680, 254134, 508268, 635335, 1016536, 1270670, 2033072, 2541340, 4066144, 5082680, 8132288, 10165360, 20330720, 40661440]

約数ペア:

[(1, 40661440), (2, 20330720), (4, 10165360), (5, 8132288), (8, 5082680), (10, 4066144), (16, 2541340), (20, 2033072), (32, 1270670), (40, 1016536), (64, 635335), (80, 508268), (160, 254134), (283, 143680), (320, 127067), (449, 90560), (566, 71840), (898, 45280), (1132, 35920), (1415, 28736), (1796, 22640), (2245, 18112), (2264, 17960), (2830, 14368), (3592, 11320), (4490, 9056), (4528, 8980), (5660, 7184)]