31849040

素因数分解:

$2^4\times 5^1\times {\mathrm{398113}}^1$

素因数の和:398126

約数の個数: 20

約数和(自身を含む): 74049204

約数和(自身を除く): 42200164

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 398113, 796226, 1592452, 1990565, 3184904, 3981130, 6369808, 7962260, 15924520, 31849040]

約数ペア:

[(1, 31849040), (2, 15924520), (4, 7962260), (5, 6369808), (8, 3981130), (10, 3184904), (16, 1990565), (20, 1592452), (40, 796226), (80, 398113)]