137254520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{263951}}^1$

素因数の和:263975

約数の個数: 32

約数和(自身を含む): 332579520

約数和(自身を除く): 195325000

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 263951, 527902, 1055804, 1319755, 2111608, 2639510, 3431363, 5279020, 6862726, 10558040, 13725452, 17156815, 27450904, 34313630, 68627260, 137254520]

約数ペア:

[(1, 137254520), (2, 68627260), (4, 34313630), (5, 27450904), (8, 17156815), (10, 13725452), (13, 10558040), (20, 6862726), (26, 5279020), (40, 3431363), (52, 2639510), (65, 2111608), (104, 1319755), (130, 1055804), (260, 527902), (520, 263951)]