101930320

素因数分解:

$2^4\times 5^1\times {\mathrm{1274129}}^1$

素因数の和:1274142

約数の個数: 20

約数和(自身を含む): 236988180

約数和(自身を除く): 135057860

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1274129, 2548258, 5096516, 6370645, 10193032, 12741290, 20386064, 25482580, 50965160, 101930320]

約数ペア:

[(1, 101930320), (2, 50965160), (4, 25482580), (5, 20386064), (8, 12741290), (10, 10193032), (16, 6370645), (20, 5096516), (40, 2548258), (80, 1274129)]