9979840

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2399}}^1$

素因数の和:2429

約数の個数: 56

約数和(自身を含む): 25603200

約数和(自身を除く): 15623360

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 130, 160, 208, 260, 320, 416, 520, 832, 1040, 2080, 2399, 4160, 4798, 9596, 11995, 19192, 23990, 31187, 38384, 47980, 62374, 76768, 95960, 124748, 153536, 155935, 191920, 249496, 311870, 383840, 498992, 623740, 767680, 997984, 1247480, 1995968, 2494960, 4989920, 9979840]

約数ペア:

[(1, 9979840), (2, 4989920), (4, 2494960), (5, 1995968), (8, 1247480), (10, 997984), (13, 767680), (16, 623740), (20, 498992), (26, 383840), (32, 311870), (40, 249496), (52, 191920), (64, 155935), (65, 153536), (80, 124748), (104, 95960), (130, 76768), (160, 62374), (208, 47980), (260, 38384), (320, 31187), (416, 23990), (520, 19192), (832, 11995), (1040, 9596), (2080, 4798), (2399, 4160)]