251205040

素因数分解:

$2^4\times 5^1\times {\mathrm{223}}^1\times {\mathrm{14081}}^1$

素因数の和:14317

約数の個数: 40

約数和(自身を含む): 586712448

約数和(自身を除く): 335507408

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 223, 446, 892, 1115, 1784, 2230, 3568, 4460, 8920, 14081, 17840, 28162, 56324, 70405, 112648, 140810, 225296, 281620, 563240, 1126480, 3140063, 6280126, 12560252, 15700315, 25120504, 31400630, 50241008, 62801260, 125602520, 251205040]

約数ペア:

[(1, 251205040), (2, 125602520), (4, 62801260), (5, 50241008), (8, 31400630), (10, 25120504), (16, 15700315), (20, 12560252), (40, 6280126), (80, 3140063), (223, 1126480), (446, 563240), (892, 281620), (1115, 225296), (1784, 140810), (2230, 112648), (3568, 70405), (4460, 56324), (8920, 28162), (14081, 17840)]