39821776

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{40801}}^1$

素因数の和:40870

約数の個数: 20

約数和(自身を含む): 78421444

約数和(自身を除く): 38599668

約数列:

[1, 2, 4, 8, 16, 61, 122, 244, 488, 976, 40801, 81602, 163204, 326408, 652816, 2488861, 4977722, 9955444, 19910888, 39821776]

約数ペア:

[(1, 39821776), (2, 19910888), (4, 9955444), (8, 4977722), (16, 2488861), (61, 652816), (122, 326408), (244, 163204), (488, 81602), (976, 40801)]