20166744520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{38782201}}^1$

素因数の和:38782225

約数の個数: 32

約数和(自身を含む): 48865574520

約数和(自身を除く): 28698830000

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 38782201, 77564402, 155128804, 193911005, 310257608, 387822010, 504168613, 775644020, 1008337226, 1551288040, 2016674452, 2520843065, 4033348904, 5041686130, 10083372260, 20166744520]

約数ペア:

[(1, 20166744520), (2, 10083372260), (4, 5041686130), (5, 4033348904), (8, 2520843065), (10, 2016674452), (13, 1551288040), (20, 1008337226), (26, 775644020), (40, 504168613), (52, 387822010), (65, 310257608), (104, 193911005), (130, 155128804), (260, 77564402), (520, 38782201)]