160976920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{309571}}^1$

素因数の和:309595

約数の個数: 32

約数和(自身を含む): 390060720

約数和(自身を除く): 229083800

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 309571, 619142, 1238284, 1547855, 2476568, 3095710, 4024423, 6191420, 8048846, 12382840, 16097692, 20122115, 32195384, 40244230, 80488460, 160976920]

約数ペア:

[(1, 160976920), (2, 80488460), (4, 40244230), (5, 32195384), (8, 20122115), (10, 16097692), (13, 12382840), (20, 8048846), (26, 6191420), (40, 4024423), (52, 3095710), (65, 2476568), (104, 1547855), (130, 1238284), (260, 619142), (520, 309571)]