39908272

素因数分解:

$2^4\times {\mathrm{79}}^1\times {\mathrm{31573}}^1$

素因数の和:31660

約数の個数: 20

約数和(自身を含む): 78303520

約数和(自身を除く): 38395248

約数列:

[1, 2, 4, 8, 16, 79, 158, 316, 632, 1264, 31573, 63146, 126292, 252584, 505168, 2494267, 4988534, 9977068, 19954136, 39908272]

約数ペア:

[(1, 39908272), (2, 19954136), (4, 9977068), (8, 4988534), (16, 2494267), (79, 505168), (158, 252584), (316, 126292), (632, 63146), (1264, 31573)]