207360920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{398771}}^1$

素因数の和:398795

約数の個数: 32

約数和(自身を含む): 502452720

約数和(自身を除く): 295091800

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 398771, 797542, 1595084, 1993855, 3190168, 3987710, 5184023, 7975420, 10368046, 15950840, 20736092, 25920115, 41472184, 51840230, 103680460, 207360920]

約数ペア:

[(1, 207360920), (2, 103680460), (4, 51840230), (5, 41472184), (8, 25920115), (10, 20736092), (13, 15950840), (20, 10368046), (26, 7975420), (40, 5184023), (52, 3987710), (65, 3190168), (104, 1993855), (130, 1595084), (260, 797542), (520, 398771)]