56506840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^3\times {\mathrm{643}}^1$

素因数の和:693

約数の個数: 64

約数和(自身を含む): 137944800

約数和(自身を除く): 81437960

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 169, 260, 338, 520, 643, 676, 845, 1286, 1352, 1690, 2197, 2572, 3215, 3380, 4394, 5144, 6430, 6760, 8359, 8788, 10985, 12860, 16718, 17576, 21970, 25720, 33436, 41795, 43940, 66872, 83590, 87880, 108667, 167180, 217334, 334360, 434668, 543335, 869336, 1086670, 1412671, 2173340, 2825342, 4346680, 5650684, 7063355, 11301368, 14126710, 28253420, 56506840]

約数ペア:

[(1, 56506840), (2, 28253420), (4, 14126710), (5, 11301368), (8, 7063355), (10, 5650684), (13, 4346680), (20, 2825342), (26, 2173340), (40, 1412671), (52, 1086670), (65, 869336), (104, 543335), (130, 434668), (169, 334360), (260, 217334), (338, 167180), (520, 108667), (643, 87880), (676, 83590), (845, 66872), (1286, 43940), (1352, 41795), (1690, 33436), (2197, 25720), (2572, 21970), (3215, 17576), (3380, 16718), (4394, 12860), (5144, 10985), (6430, 8788), (6760, 8359)]