54862840

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{167}}^1\times {\mathrm{191}}^1$

素因数の和:412

約数の個数: 64

約数和(自身を含む): 127733760

約数和(自身を除く): 72870920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 167, 172, 191, 215, 334, 344, 382, 430, 668, 764, 835, 860, 955, 1336, 1528, 1670, 1720, 1910, 3340, 3820, 6680, 7181, 7640, 8213, 14362, 16426, 28724, 31897, 32852, 35905, 41065, 57448, 63794, 65704, 71810, 82130, 127588, 143620, 159485, 164260, 255176, 287240, 318970, 328520, 637940, 1275880, 1371571, 2743142, 5486284, 6857855, 10972568, 13715710, 27431420, 54862840]

約数ペア:

[(1, 54862840), (2, 27431420), (4, 13715710), (5, 10972568), (8, 6857855), (10, 5486284), (20, 2743142), (40, 1371571), (43, 1275880), (86, 637940), (167, 328520), (172, 318970), (191, 287240), (215, 255176), (334, 164260), (344, 159485), (382, 143620), (430, 127588), (668, 82130), (764, 71810), (835, 65704), (860, 63794), (955, 57448), (1336, 41065), (1528, 35905), (1670, 32852), (1720, 31897), (1910, 28724), (3340, 16426), (3820, 14362), (6680, 8213), (7181, 7640)]