39881965

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{3257}}^1$

素因数の和:3372

約数の個数: 16

約数和(自身を含む): 50042880

約数和(自身を除く): 10160915

約数列:

[1, 5, 31, 79, 155, 395, 2449, 3257, 12245, 16285, 100967, 257303, 504835, 1286515, 7976393, 39881965]

約数ペア:

[(1, 39881965), (5, 7976393), (31, 1286515), (79, 504835), (155, 257303), (395, 100967), (2449, 16285), (3257, 12245)]