56819620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19867}}^1$

素因数の和:19900

約数の個数: 48

約数和(自身を含む): 140188608

約数和(自身を除く): 83368988

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 220, 260, 286, 572, 715, 1430, 2860, 19867, 39734, 79468, 99335, 198670, 218537, 258271, 397340, 437074, 516542, 874148, 1033084, 1092685, 1291355, 2185370, 2582710, 2840981, 4370740, 5165420, 5681962, 11363924, 14204905, 28409810, 56819620]

約数ペア:

[(1, 56819620), (2, 28409810), (4, 14204905), (5, 11363924), (10, 5681962), (11, 5165420), (13, 4370740), (20, 2840981), (22, 2582710), (26, 2185370), (44, 1291355), (52, 1092685), (55, 1033084), (65, 874148), (110, 516542), (130, 437074), (143, 397340), (220, 258271), (260, 218537), (286, 198670), (572, 99335), (715, 79468), (1430, 39734), (2860, 19867)]