2195420

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{3541}}^1$

素因数の和:3581

約数の個数: 24

約数和(自身を含む): 4760448

約数和(自身を除く): 2565028

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 3541, 7082, 14164, 17705, 35410, 70820, 109771, 219542, 439084, 548855, 1097710, 2195420]

約数ペア:

[(1, 2195420), (2, 1097710), (4, 548855), (5, 439084), (10, 219542), (20, 109771), (31, 70820), (62, 35410), (124, 17705), (155, 14164), (310, 7082), (620, 3541)]