68570840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{809}}^1$

素因数の和:996

約数の個数: 64

約数和(自身を含む): 167378400

約数和(自身を除く): 98807560

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 163, 260, 326, 520, 652, 809, 815, 1304, 1618, 1630, 2119, 3236, 3260, 4045, 4238, 6472, 6520, 8090, 8476, 10517, 10595, 16180, 16952, 21034, 21190, 32360, 42068, 42380, 52585, 84136, 84760, 105170, 131867, 210340, 263734, 420680, 527468, 659335, 1054936, 1318670, 1714271, 2637340, 3428542, 5274680, 6857084, 8571355, 13714168, 17142710, 34285420, 68570840]

約数ペア:

[(1, 68570840), (2, 34285420), (4, 17142710), (5, 13714168), (8, 8571355), (10, 6857084), (13, 5274680), (20, 3428542), (26, 2637340), (40, 1714271), (52, 1318670), (65, 1054936), (104, 659335), (130, 527468), (163, 420680), (260, 263734), (326, 210340), (520, 131867), (652, 105170), (809, 84760), (815, 84136), (1304, 52585), (1618, 42380), (1630, 42068), (2119, 32360), (3236, 21190), (3260, 21034), (4045, 16952), (4238, 16180), (6472, 10595), (6520, 10517), (8090, 8476)]