205222240

素因数分解:

$2^5\times 5^1\times {\mathrm{1282639}}^1$

素因数の和:1282654

約数の個数: 24

約数和(自身を含む): 484837920

約数和(自身を除く): 279615680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 1282639, 2565278, 5130556, 6413195, 10261112, 12826390, 20522224, 25652780, 41044448, 51305560, 102611120, 205222240]

約数ペア:

[(1, 205222240), (2, 102611120), (4, 51305560), (5, 41044448), (8, 25652780), (10, 20522224), (16, 12826390), (20, 10261112), (32, 6413195), (40, 5130556), (80, 2565278), (160, 1282639)]