61406920

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{52937}}^1$

素因数の和:52977

約数の個数: 32

約数和(自身を含む): 142932600

約数和(自身を除く): 81525680

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 52937, 105874, 211748, 264685, 423496, 529370, 1058740, 1535173, 2117480, 3070346, 6140692, 7675865, 12281384, 15351730, 30703460, 61406920]

約数ペア:

[(1, 61406920), (2, 30703460), (4, 15351730), (5, 12281384), (8, 7675865), (10, 6140692), (20, 3070346), (29, 2117480), (40, 1535173), (58, 1058740), (116, 529370), (145, 423496), (232, 264685), (290, 211748), (580, 105874), (1160, 52937)]