23813920

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{107}}^2$

素因数の和:242

約数の個数: 72

約数和(自身を含む): 61159644

約数和(自身を除く): 37345724

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 107, 130, 160, 208, 214, 260, 416, 428, 520, 535, 856, 1040, 1070, 1391, 1712, 2080, 2140, 2782, 3424, 4280, 5564, 6955, 8560, 11128, 11449, 13910, 17120, 22256, 22898, 27820, 44512, 45796, 55640, 57245, 91592, 111280, 114490, 148837, 183184, 222560, 228980, 297674, 366368, 457960, 595348, 744185, 915920, 1190696, 1488370, 1831840, 2381392, 2976740, 4762784, 5953480, 11906960, 23813920]

約数ペア:

[(1, 23813920), (2, 11906960), (4, 5953480), (5, 4762784), (8, 2976740), (10, 2381392), (13, 1831840), (16, 1488370), (20, 1190696), (26, 915920), (32, 744185), (40, 595348), (52, 457960), (65, 366368), (80, 297674), (104, 228980), (107, 222560), (130, 183184), (160, 148837), (208, 114490), (214, 111280), (260, 91592), (416, 57245), (428, 55640), (520, 45796), (535, 44512), (856, 27820), (1040, 22898), (1070, 22256), (1391, 17120), (1712, 13910), (2080, 11449), (2140, 11128), (2782, 8560), (3424, 6955), (4280, 5564)]