13418320

素因数分解:

$2^4\times 5^1\times {\mathrm{167729}}^1$

素因数の和:167742

約数の個数: 20

約数和(自身を含む): 31197780

約数和(自身を除く): 17779460

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 167729, 335458, 670916, 838645, 1341832, 1677290, 2683664, 3354580, 6709160, 13418320]

約数ペア:

[(1, 13418320), (2, 6709160), (4, 3354580), (5, 2683664), (8, 1677290), (10, 1341832), (16, 838645), (20, 670916), (40, 335458), (80, 167729)]