30828460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{118571}}^1$

素因数の和:118593

約数の個数: 24

約数和(自身を含む): 69720336

約数和(自身を除く): 38891876

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 118571, 237142, 474284, 592855, 1185710, 1541423, 2371420, 3082846, 6165692, 7707115, 15414230, 30828460]

約数ペア:

[(1, 30828460), (2, 15414230), (4, 7707115), (5, 6165692), (10, 3082846), (13, 2371420), (20, 1541423), (26, 1185710), (52, 592855), (65, 474284), (130, 237142), (260, 118571)]