208568680

素因数分解:

$2^3\times 5^1\times {\mathrm{107}}^1\times {\mathrm{48731}}^1$

素因数の和:48849

約数の個数: 32

約数和(自身を含む): 473675040

約数和(自身を除く): 265106360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 107, 214, 428, 535, 856, 1070, 2140, 4280, 48731, 97462, 194924, 243655, 389848, 487310, 974620, 1949240, 5214217, 10428434, 20856868, 26071085, 41713736, 52142170, 104284340, 208568680]

約数ペア:

[(1, 208568680), (2, 104284340), (4, 52142170), (5, 41713736), (8, 26071085), (10, 20856868), (20, 10428434), (40, 5214217), (107, 1949240), (214, 974620), (428, 487310), (535, 389848), (856, 243655), (1070, 194924), (2140, 97462), (4280, 48731)]