320136620

素因数分解:

$2^2\times 5^1\times {\mathrm{617}}^1\times {\mathrm{25943}}^1$

素因数の和:26569

約数の個数: 24

約数和(自身を含む): 673402464

約数和(自身を除く): 353265844

約数列:

[1, 2, 4, 5, 10, 20, 617, 1234, 2468, 3085, 6170, 12340, 25943, 51886, 103772, 129715, 259430, 518860, 16006831, 32013662, 64027324, 80034155, 160068310, 320136620]

約数ペア:

[(1, 320136620), (2, 160068310), (4, 80034155), (5, 64027324), (10, 32013662), (20, 16006831), (617, 518860), (1234, 259430), (2468, 129715), (3085, 103772), (6170, 51886), (12340, 25943)]