8879260

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{71}}^1$

素因数の和:143

約数の個数: 72

約数和(自身を含む): 21028896

約数和(自身を除く): 12149636

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 37, 52, 65, 71, 74, 130, 142, 148, 169, 185, 260, 284, 338, 355, 370, 481, 676, 710, 740, 845, 923, 962, 1420, 1690, 1846, 1924, 2405, 2627, 3380, 3692, 4615, 4810, 5254, 6253, 9230, 9620, 10508, 11999, 12506, 13135, 18460, 23998, 25012, 26270, 31265, 34151, 47996, 52540, 59995, 62530, 68302, 119990, 125060, 136604, 170755, 239980, 341510, 443963, 683020, 887926, 1775852, 2219815, 4439630, 8879260]

約数ペア:

[(1, 8879260), (2, 4439630), (4, 2219815), (5, 1775852), (10, 887926), (13, 683020), (20, 443963), (26, 341510), (37, 239980), (52, 170755), (65, 136604), (71, 125060), (74, 119990), (130, 68302), (142, 62530), (148, 59995), (169, 52540), (185, 47996), (260, 34151), (284, 31265), (338, 26270), (355, 25012), (370, 23998), (481, 18460), (676, 13135), (710, 12506), (740, 11999), (845, 10508), (923, 9620), (962, 9230), (1420, 6253), (1690, 5254), (1846, 4810), (1924, 4615), (2405, 3692), (2627, 3380)]