4989920

素因数分解:

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

素因数の和:2427

約数の個数: 48

約数和(自身を含む): 12700800

約数和(自身を除く): 7710880

約数列:

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

約数ペア:

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