641350

素因数分解:

$2^1\times 5^2\times {\mathrm{101}}^1\times {\mathrm{127}}^1$

素因数の和:240

約数の個数: 24

約数和(自身を含む): 1214208

約数和(自身を除く): 572858

約数列:

[1, 2, 5, 10, 25, 50, 101, 127, 202, 254, 505, 635, 1010, 1270, 2525, 3175, 5050, 6350, 12827, 25654, 64135, 128270, 320675, 641350]

約数ペア:

[(1, 641350), (2, 320675), (5, 128270), (10, 64135), (25, 25654), (50, 12827), (101, 6350), (127, 5050), (202, 3175), (254, 2525), (505, 1270), (635, 1010)]