81255070

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{36767}}^1$

素因数の和:36804

約数の個数: 32

約数和(自身を含む): 166779648

約数和(自身を除く): 85524578

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 170, 221, 442, 1105, 2210, 36767, 73534, 183835, 367670, 477971, 625039, 955942, 1250078, 2389855, 3125195, 4779710, 6250390, 8125507, 16251014, 40627535, 81255070]

約数ペア:

[(1, 81255070), (2, 40627535), (5, 16251014), (10, 8125507), (13, 6250390), (17, 4779710), (26, 3125195), (34, 2389855), (65, 1250078), (85, 955942), (130, 625039), (170, 477971), (221, 367670), (442, 183835), (1105, 73534), (2210, 36767)]