100200640

素因数分解:

$2^6\times 5^1\times {\mathrm{313127}}^1$

素因数の和:313144

約数の個数: 28

約数和(自身を含む): 238603536

約数和(自身を除く): 138402896

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 313127, 626254, 1252508, 1565635, 2505016, 3131270, 5010032, 6262540, 10020064, 12525080, 20040128, 25050160, 50100320, 100200640]

約数ペア:

[(1, 100200640), (2, 50100320), (4, 25050160), (5, 20040128), (8, 12525080), (10, 10020064), (16, 6262540), (20, 5010032), (32, 3131270), (40, 2505016), (64, 1565635), (80, 1252508), (160, 626254), (320, 313127)]