138096920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{265571}}^1$

素因数の和:265595

約数の個数: 32

約数和(自身を含む): 334620720

約数和(自身を除く): 196523800

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 265571, 531142, 1062284, 1327855, 2124568, 2655710, 3452423, 5311420, 6904846, 10622840, 13809692, 17262115, 27619384, 34524230, 69048460, 138096920]

約数ペア:

[(1, 138096920), (2, 69048460), (4, 34524230), (5, 27619384), (8, 17262115), (10, 13809692), (13, 10622840), (20, 6904846), (26, 5311420), (40, 3452423), (52, 2655710), (65, 2124568), (104, 1327855), (130, 1062284), (260, 531142), (520, 265571)]