12678640

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{167}}^1$

素因数の和:266

約数の個数: 80

約数和(自身を含む): 32372928

約数和(自身を除く): 19694288

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 73, 80, 104, 130, 146, 167, 208, 260, 292, 334, 365, 520, 584, 668, 730, 835, 949, 1040, 1168, 1336, 1460, 1670, 1898, 2171, 2672, 2920, 3340, 3796, 4342, 4745, 5840, 6680, 7592, 8684, 9490, 10855, 12191, 13360, 15184, 17368, 18980, 21710, 24382, 34736, 37960, 43420, 48764, 60955, 75920, 86840, 97528, 121910, 158483, 173680, 195056, 243820, 316966, 487640, 633932, 792415, 975280, 1267864, 1584830, 2535728, 3169660, 6339320, 12678640]

約数ペア:

[(1, 12678640), (2, 6339320), (4, 3169660), (5, 2535728), (8, 1584830), (10, 1267864), (13, 975280), (16, 792415), (20, 633932), (26, 487640), (40, 316966), (52, 243820), (65, 195056), (73, 173680), (80, 158483), (104, 121910), (130, 97528), (146, 86840), (167, 75920), (208, 60955), (260, 48764), (292, 43420), (334, 37960), (365, 34736), (520, 24382), (584, 21710), (668, 18980), (730, 17368), (835, 15184), (949, 13360), (1040, 12191), (1168, 10855), (1336, 9490), (1460, 8684), (1670, 7592), (1898, 6680), (2171, 5840), (2672, 4745), (2920, 4342), (3340, 3796)]