87041090

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{2531}}^1$

素因数の和:2738

約数の個数: 32

約数和(自身を含む): 165896640

約数和(自身を除く): 78855550

約数列:

[1, 2, 5, 10, 19, 38, 95, 181, 190, 362, 905, 1810, 2531, 3439, 5062, 6878, 12655, 17195, 25310, 34390, 48089, 96178, 240445, 458111, 480890, 916222, 2290555, 4581110, 8704109, 17408218, 43520545, 87041090]

約数ペア:

[(1, 87041090), (2, 43520545), (5, 17408218), (10, 8704109), (19, 4581110), (38, 2290555), (95, 916222), (181, 480890), (190, 458111), (362, 240445), (905, 96178), (1810, 48089), (2531, 34390), (3439, 25310), (5062, 17195), (6878, 12655)]