90871670

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{102103}}^1$

素因数の和:102199

約数の個数: 16

約数和(自身を含む): 165408480

約数和(自身を除く): 74536810

約数列:

[1, 2, 5, 10, 89, 178, 445, 890, 102103, 204206, 510515, 1021030, 9087167, 18174334, 45435835, 90871670]

約数ペア:

[(1, 90871670), (2, 45435835), (5, 18174334), (10, 9087167), (89, 1021030), (178, 510515), (445, 204206), (890, 102103)]