81520864

素因数分解:

$2^5\times {\mathrm{163}}^1\times {\mathrm{15629}}^1$

素因数の和:15802

約数の個数: 24

約数和(自身を含む): 161489160

約数和(自身を除く): 79968296

約数列:

[1, 2, 4, 8, 16, 32, 163, 326, 652, 1304, 2608, 5216, 15629, 31258, 62516, 125032, 250064, 500128, 2547527, 5095054, 10190108, 20380216, 40760432, 81520864]

約数ペア:

[(1, 81520864), (2, 40760432), (4, 20380216), (8, 10190108), (16, 5095054), (32, 2547527), (163, 500128), (326, 250064), (652, 125032), (1304, 62516), (2608, 31258), (5216, 15629)]