7719920

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^2\times {\mathrm{571}}^1$

素因数の和:610

約数の個数: 60

約数和(自身を含む): 19469736

約数和(自身を除く): 11749816

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 169, 208, 260, 338, 520, 571, 676, 845, 1040, 1142, 1352, 1690, 2284, 2704, 2855, 3380, 4568, 5710, 6760, 7423, 9136, 11420, 13520, 14846, 22840, 29692, 37115, 45680, 59384, 74230, 96499, 118768, 148460, 192998, 296920, 385996, 482495, 593840, 771992, 964990, 1543984, 1929980, 3859960, 7719920]

約数ペア:

[(1, 7719920), (2, 3859960), (4, 1929980), (5, 1543984), (8, 964990), (10, 771992), (13, 593840), (16, 482495), (20, 385996), (26, 296920), (40, 192998), (52, 148460), (65, 118768), (80, 96499), (104, 74230), (130, 59384), (169, 45680), (208, 37115), (260, 29692), (338, 22840), (520, 14846), (571, 13520), (676, 11420), (845, 9136), (1040, 7423), (1142, 6760), (1352, 5710), (1690, 4568), (2284, 3380), (2704, 2855)]