13781480

素因数分解:

$2^3\times 5^1\times {\mathrm{113}}^1\times {\mathrm{3049}}^1$

素因数の和:3173

約数の個数: 32

約数和(自身を含む): 31293000

約数和(自身を除く): 17511520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 113, 226, 452, 565, 904, 1130, 2260, 3049, 4520, 6098, 12196, 15245, 24392, 30490, 60980, 121960, 344537, 689074, 1378148, 1722685, 2756296, 3445370, 6890740, 13781480]

約数ペア:

[(1, 13781480), (2, 6890740), (4, 3445370), (5, 2756296), (8, 1722685), (10, 1378148), (20, 689074), (40, 344537), (113, 121960), (226, 60980), (452, 30490), (565, 24392), (904, 15245), (1130, 12196), (2260, 6098), (3049, 4520)]