172127980

素因数分解:

$2^2\times 5^1\times {\mathrm{521}}^1\times {\mathrm{16519}}^1$

素因数の和:17049

約数の個数: 24

約数和(自身を含む): 362184480

約数和(自身を除く): 190056500

約数列:

[1, 2, 4, 5, 10, 20, 521, 1042, 2084, 2605, 5210, 10420, 16519, 33038, 66076, 82595, 165190, 330380, 8606399, 17212798, 34425596, 43031995, 86063990, 172127980]

約数ペア:

[(1, 172127980), (2, 86063990), (4, 43031995), (5, 34425596), (10, 17212798), (20, 8606399), (521, 330380), (1042, 165190), (2084, 82595), (2605, 66076), (5210, 33038), (10420, 16519)]