2105756440

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{167}}^1\times {\mathrm{7331}}^1$

素因数の和:7552

約数の個数: 64

約数和(自身を含む): 4877832960

約数和(自身を除く): 2772076520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 167, 172, 215, 334, 344, 430, 668, 835, 860, 1336, 1670, 1720, 3340, 6680, 7181, 7331, 14362, 14662, 28724, 29324, 35905, 36655, 57448, 58648, 71810, 73310, 143620, 146620, 287240, 293240, 315233, 630466, 1224277, 1260932, 1576165, 2448554, 2521864, 3152330, 4897108, 6121385, 6304660, 9794216, 12242770, 12609320, 24485540, 48971080, 52643911, 105287822, 210575644, 263219555, 421151288, 526439110, 1052878220, 2105756440]

約数ペア:

[(1, 2105756440), (2, 1052878220), (4, 526439110), (5, 421151288), (8, 263219555), (10, 210575644), (20, 105287822), (40, 52643911), (43, 48971080), (86, 24485540), (167, 12609320), (172, 12242770), (215, 9794216), (334, 6304660), (344, 6121385), (430, 4897108), (668, 3152330), (835, 2521864), (860, 2448554), (1336, 1576165), (1670, 1260932), (1720, 1224277), (3340, 630466), (6680, 315233), (7181, 293240), (7331, 287240), (14362, 146620), (14662, 143620), (28724, 73310), (29324, 71810), (35905, 58648), (36655, 57448)]