4202120

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{8081}}^1$

素因数の和:8105

約数の個数: 32

約数和(自身を含む): 10183320

約数和(自身を除く): 5981200

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 8081, 16162, 32324, 40405, 64648, 80810, 105053, 161620, 210106, 323240, 420212, 525265, 840424, 1050530, 2101060, 4202120]

約数ペア:

[(1, 4202120), (2, 2101060), (4, 1050530), (5, 840424), (8, 525265), (10, 420212), (13, 323240), (20, 210106), (26, 161620), (40, 105053), (52, 80810), (65, 64648), (104, 40405), (130, 32324), (260, 16162), (520, 8081)]