126126520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{242551}}^1$

素因数の和:242575

約数の個数: 32

約数和(自身を含む): 305615520

約数和(自身を除く): 179489000

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 242551, 485102, 970204, 1212755, 1940408, 2425510, 3153163, 4851020, 6306326, 9702040, 12612652, 15765815, 25225304, 31531630, 63063260, 126126520]

約数ペア:

[(1, 126126520), (2, 63063260), (4, 31531630), (5, 25225304), (8, 15765815), (10, 12612652), (13, 9702040), (20, 6306326), (26, 4851020), (40, 3153163), (52, 2425510), (65, 1940408), (104, 1212755), (130, 970204), (260, 485102), (520, 242551)]