40782800

素因数分解:

$2^4\times 5^2\times {\mathrm{101957}}^1$

素因数の和:101975

約数の個数: 30

約数和(自身を含む): 97981638

約数和(自身を除く): 57198838

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 101957, 203914, 407828, 509785, 815656, 1019570, 1631312, 2039140, 2548925, 4078280, 5097850, 8156560, 10195700, 20391400, 40782800]

約数ペア:

[(1, 40782800), (2, 20391400), (4, 10195700), (5, 8156560), (8, 5097850), (10, 4078280), (16, 2548925), (20, 2039140), (25, 1631312), (40, 1019570), (50, 815656), (80, 509785), (100, 407828), (200, 203914), (400, 101957)]