91142420

素因数分解:

$2^2\times 5^1\times {\mathrm{569}}^1\times {\mathrm{8009}}^1$

素因数の和:8587

約数の個数: 24

約数和(自身を含む): 191759400

約数和(自身を除く): 100616980

約数列:

[1, 2, 4, 5, 10, 20, 569, 1138, 2276, 2845, 5690, 8009, 11380, 16018, 32036, 40045, 80090, 160180, 4557121, 9114242, 18228484, 22785605, 45571210, 91142420]

約数ペア:

[(1, 91142420), (2, 45571210), (4, 22785605), (5, 18228484), (10, 9114242), (20, 4557121), (569, 160180), (1138, 80090), (2276, 40045), (2845, 32036), (5690, 16018), (8009, 11380)]