122728840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{236017}}^1$

素因数の和:236041

約数の個数: 32

約数和(自身を含む): 297382680

約数和(自身を除く): 174653840

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 236017, 472034, 944068, 1180085, 1888136, 2360170, 3068221, 4720340, 6136442, 9440680, 12272884, 15341105, 24545768, 30682210, 61364420, 122728840]

約数ペア:

[(1, 122728840), (2, 61364420), (4, 30682210), (5, 24545768), (8, 15341105), (10, 12272884), (13, 9440680), (20, 6136442), (26, 4720340), (40, 3068221), (52, 2360170), (65, 1888136), (104, 1180085), (130, 944068), (260, 472034), (520, 236017)]