40304420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{155017}}^1$

素因数の和:155039

約数の個数: 24

約数和(自身を含む): 91150584

約数和(自身を除く): 50846164

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 155017, 310034, 620068, 775085, 1550170, 2015221, 3100340, 4030442, 8060884, 10076105, 20152210, 40304420]

約数ペア:

[(1, 40304420), (2, 20152210), (4, 10076105), (5, 8060884), (10, 4030442), (13, 3100340), (20, 2015221), (26, 1550170), (52, 775085), (65, 620068), (130, 310034), (260, 155017)]