1520451920

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1461973}}^1$

素因数の和:1461999

約数の個数: 40

約数和(自身を含む): 3806980296

約数和(自身を除く): 2286528376

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 1461973, 2923946, 5847892, 7309865, 11695784, 14619730, 19005649, 23391568, 29239460, 38011298, 58478920, 76022596, 95028245, 116957840, 152045192, 190056490, 304090384, 380112980, 760225960, 1520451920]

約数ペア:

[(1, 1520451920), (2, 760225960), (4, 380112980), (5, 304090384), (8, 190056490), (10, 152045192), (13, 116957840), (16, 95028245), (20, 76022596), (26, 58478920), (40, 38011298), (52, 29239460), (65, 23391568), (80, 19005649), (104, 14619730), (130, 11695784), (208, 7309865), (260, 5847892), (520, 2923946), (1040, 1461973)]