201607640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{387707}}^1$

素因数の和:387731

約数の個数: 32

約数和(自身を含む): 488512080

約数和(自身を除く): 286904440

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 387707, 775414, 1550828, 1938535, 3101656, 3877070, 5040191, 7754140, 10080382, 15508280, 20160764, 25200955, 40321528, 50401910, 100803820, 201607640]

約数ペア:

[(1, 201607640), (2, 100803820), (4, 50401910), (5, 40321528), (8, 25200955), (10, 20160764), (13, 15508280), (20, 10080382), (26, 7754140), (40, 5040191), (52, 3877070), (65, 3101656), (104, 1938535), (130, 1550828), (260, 775414), (520, 387707)]