40191376

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{81031}}^1$

素因数の和:81070

約数の個数: 20

約数和(自身を含む): 80383744

約数和(自身を除く): 40192368

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 81031, 162062, 324124, 648248, 1296496, 2511961, 5023922, 10047844, 20095688, 40191376]

約数ペア:

[(1, 40191376), (2, 20095688), (4, 10047844), (8, 5023922), (16, 2511961), (31, 1296496), (62, 648248), (124, 324124), (248, 162062), (496, 81031)]