157213360

素因数分解:

$2^4\times 5^1\times {\mathrm{1965167}}^1$

素因数の和:1965180

約数の個数: 20

約数和(自身を含む): 365521248

約数和(自身を除く): 208307888

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1965167, 3930334, 7860668, 9825835, 15721336, 19651670, 31442672, 39303340, 78606680, 157213360]

約数ペア:

[(1, 157213360), (2, 78606680), (4, 39303340), (5, 31442672), (8, 19651670), (10, 15721336), (16, 9825835), (20, 7860668), (40, 3930334), (80, 1965167)]