42312920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{81371}}^1$

素因数の和:81395

約数の個数: 32

約数和(自身を含む): 102528720

約数和(自身を除く): 60215800

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 81371, 162742, 325484, 406855, 650968, 813710, 1057823, 1627420, 2115646, 3254840, 4231292, 5289115, 8462584, 10578230, 21156460, 42312920]

約数ペア:

[(1, 42312920), (2, 21156460), (4, 10578230), (5, 8462584), (8, 5289115), (10, 4231292), (13, 3254840), (20, 2115646), (26, 1627420), (40, 1057823), (52, 813710), (65, 650968), (104, 406855), (130, 325484), (260, 162742), (520, 81371)]