30810320

素因数分解:

$2^4\times 5^1\times {\mathrm{385129}}^1$

素因数の和:385142

約数の個数: 20

約数和(自身を含む): 71634180

約数和(自身を除く): 40823860

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 385129, 770258, 1540516, 1925645, 3081032, 3851290, 6162064, 7702580, 15405160, 30810320]

約数ペア:

[(1, 30810320), (2, 15405160), (4, 7702580), (5, 6162064), (8, 3851290), (10, 3081032), (16, 1925645), (20, 1540516), (40, 770258), (80, 385129)]