20196688480

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{37357}}^1$

素因数の和:37512

約数の個数: 96

約数和(自身を含む): 49707060480

約数和(自身を除く): 29510372000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 109, 124, 155, 160, 218, 248, 310, 436, 496, 545, 620, 872, 992, 1090, 1240, 1744, 2180, 2480, 3379, 3488, 4360, 4960, 6758, 8720, 13516, 16895, 17440, 27032, 33790, 37357, 54064, 67580, 74714, 108128, 135160, 149428, 186785, 270320, 298856, 373570, 540640, 597712, 747140, 1158067, 1195424, 1494280, 2316134, 2988560, 4071913, 4632268, 5790335, 5977120, 8143826, 9264536, 11580670, 16287652, 18529072, 20359565, 23161340, 32575304, 37058144, 40719130, 46322680, 65150608, 81438260, 92645360, 126229303, 130301216, 162876520, 185290720, 252458606, 325753040, 504917212, 631146515, 651506080, 1009834424, 1262293030, 2019668848, 2524586060, 4039337696, 5049172120, 10098344240, 20196688480]

約数ペア:

[(1, 20196688480), (2, 10098344240), (4, 5049172120), (5, 4039337696), (8, 2524586060), (10, 2019668848), (16, 1262293030), (20, 1009834424), (31, 651506080), (32, 631146515), (40, 504917212), (62, 325753040), (80, 252458606), (109, 185290720), (124, 162876520), (155, 130301216), (160, 126229303), (218, 92645360), (248, 81438260), (310, 65150608), (436, 46322680), (496, 40719130), (545, 37058144), (620, 32575304), (872, 23161340), (992, 20359565), (1090, 18529072), (1240, 16287652), (1744, 11580670), (2180, 9264536), (2480, 8143826), (3379, 5977120), (3488, 5790335), (4360, 4632268), (4960, 4071913), (6758, 2988560), (8720, 2316134), (13516, 1494280), (16895, 1195424), (17440, 1158067), (27032, 747140), (33790, 597712), (37357, 540640), (54064, 373570), (67580, 298856), (74714, 270320), (108128, 186785), (135160, 149428)]