12650320

素因数分解:

$2^4\times 5^1\times {\mathrm{158129}}^1$

素因数の和:158142

約数の個数: 20

約数和(自身を含む): 29412180

約数和(自身を除く): 16761860

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 158129, 316258, 632516, 790645, 1265032, 1581290, 2530064, 3162580, 6325160, 12650320]

約数ペア:

[(1, 12650320), (2, 6325160), (4, 3162580), (5, 2530064), (8, 1581290), (10, 1265032), (16, 790645), (20, 632516), (40, 316258), (80, 158129)]