1815744080

素因数分解:

$2^4\times 5^1\times {\mathrm{22696801}}^1$

素因数の和:22696814

約数の個数: 20

約数和(自身を含む): 4221605172

約数和(自身を除く): 2405861092

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 22696801, 45393602, 90787204, 113484005, 181574408, 226968010, 363148816, 453936020, 907872040, 1815744080]

約数ペア:

[(1, 1815744080), (2, 907872040), (4, 453936020), (5, 363148816), (8, 226968010), (10, 181574408), (16, 113484005), (20, 90787204), (40, 45393602), (80, 22696801)]