9621580

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{3461}}^1$

素因数の和:3609

約数の個数: 24

約数和(自身を含む): 20356560

約数和(自身を除く): 10734980

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 1390, 2780, 3461, 6922, 13844, 17305, 34610, 69220, 481079, 962158, 1924316, 2405395, 4810790, 9621580]

約数ペア:

[(1, 9621580), (2, 4810790), (4, 2405395), (5, 1924316), (10, 962158), (20, 481079), (139, 69220), (278, 34610), (556, 17305), (695, 13844), (1390, 6922), (2780, 3461)]