139760920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{268771}}^1$

素因数の和:268795

約数の個数: 32

約数和(自身を含む): 338652720

約数和(自身を除く): 198891800

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 268771, 537542, 1075084, 1343855, 2150168, 2687710, 3494023, 5375420, 6988046, 10750840, 13976092, 17470115, 27952184, 34940230, 69880460, 139760920]

約数ペア:

[(1, 139760920), (2, 69880460), (4, 34940230), (5, 27952184), (8, 17470115), (10, 13976092), (13, 10750840), (20, 6988046), (26, 5375420), (40, 3494023), (52, 2687710), (65, 2150168), (104, 1343855), (130, 1075084), (260, 537542), (520, 268771)]