157732720

素因数分解:

$2^4\times 5^1\times {\mathrm{1971659}}^1$

素因数の和:1971672

約数の個数: 20

約数和(自身を含む): 366728760

約数和(自身を除く): 208996040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1971659, 3943318, 7886636, 9858295, 15773272, 19716590, 31546544, 39433180, 78866360, 157732720]

約数ペア:

[(1, 157732720), (2, 78866360), (4, 39433180), (5, 31546544), (8, 19716590), (10, 15773272), (16, 9858295), (20, 7886636), (40, 3943318), (80, 1971659)]