2904704720

素因数分解:

$2^4\times 5^1\times {\mathrm{36308809}}^1$

素因数の和:36308822

約数の個数: 20

約数和(自身を含む): 6753438660

約数和(自身を除く): 3848733940

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 36308809, 72617618, 145235236, 181544045, 290470472, 363088090, 580940944, 726176180, 1452352360, 2904704720]

約数ペア:

[(1, 2904704720), (2, 1452352360), (4, 726176180), (5, 580940944), (8, 363088090), (10, 290470472), (16, 181544045), (20, 145235236), (40, 72617618), (80, 36308809)]