81110090

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{83}}^1\times {\mathrm{1237}}^1$

素因数の和:1406

約数の個数: 32

約数和(自身を含む): 149748480

約数和(自身を除く): 68638390

約数列:

[1, 2, 5, 10, 79, 83, 158, 166, 395, 415, 790, 830, 1237, 2474, 6185, 6557, 12370, 13114, 32785, 65570, 97723, 102671, 195446, 205342, 488615, 513355, 977230, 1026710, 8111009, 16222018, 40555045, 81110090]

約数ペア:

[(1, 81110090), (2, 40555045), (5, 16222018), (10, 8111009), (79, 1026710), (83, 977230), (158, 513355), (166, 488615), (395, 205342), (415, 195446), (790, 102671), (830, 97723), (1237, 65570), (2474, 32785), (6185, 13114), (6557, 12370)]