26920010

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{937}}^1$

素因数の和:987

約数の個数: 48

約数和(自身を含む): 55615896

約数和(自身を除く): 28695886

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 169, 170, 221, 338, 442, 845, 937, 1105, 1690, 1874, 2210, 2873, 4685, 5746, 9370, 12181, 14365, 15929, 24362, 28730, 31858, 60905, 79645, 121810, 158353, 159290, 207077, 316706, 414154, 791765, 1035385, 1583530, 2070770, 2692001, 5384002, 13460005, 26920010]

約数ペア:

[(1, 26920010), (2, 13460005), (5, 5384002), (10, 2692001), (13, 2070770), (17, 1583530), (26, 1035385), (34, 791765), (65, 414154), (85, 316706), (130, 207077), (169, 159290), (170, 158353), (221, 121810), (338, 79645), (442, 60905), (845, 31858), (937, 28730), (1105, 24362), (1690, 15929), (1874, 14365), (2210, 12181), (2873, 9370), (4685, 5746)]