134970320

素因数分解:

$2^4\times 5^1\times {\mathrm{1687129}}^1$

素因数の和:1687142

約数の個数: 20

約数和(自身を含む): 313806180

約数和(自身を除く): 178835860

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1687129, 3374258, 6748516, 8435645, 13497032, 16871290, 26994064, 33742580, 67485160, 134970320]

約数ペア:

[(1, 134970320), (2, 67485160), (4, 33742580), (5, 26994064), (8, 16871290), (10, 13497032), (16, 8435645), (20, 6748516), (40, 3374258), (80, 1687129)]