65216840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{167}}^1\times {\mathrm{751}}^1$

素因数の和:942

約数の個数: 64

約数和(自身を含む): 159183360

約数和(自身を除く): 93966520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 167, 260, 334, 520, 668, 751, 835, 1336, 1502, 1670, 2171, 3004, 3340, 3755, 4342, 6008, 6680, 7510, 8684, 9763, 10855, 15020, 17368, 19526, 21710, 30040, 39052, 43420, 48815, 78104, 86840, 97630, 125417, 195260, 250834, 390520, 501668, 627085, 1003336, 1254170, 1630421, 2508340, 3260842, 5016680, 6521684, 8152105, 13043368, 16304210, 32608420, 65216840]

約数ペア:

[(1, 65216840), (2, 32608420), (4, 16304210), (5, 13043368), (8, 8152105), (10, 6521684), (13, 5016680), (20, 3260842), (26, 2508340), (40, 1630421), (52, 1254170), (65, 1003336), (104, 627085), (130, 501668), (167, 390520), (260, 250834), (334, 195260), (520, 125417), (668, 97630), (751, 86840), (835, 78104), (1336, 48815), (1502, 43420), (1670, 39052), (2171, 30040), (3004, 21710), (3340, 19526), (3755, 17368), (4342, 15020), (6008, 10855), (6680, 9763), (7510, 8684)]