72202390

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{397}}^1\times {\mathrm{1399}}^1$

素因数の和:1816

約数の個数: 32

約数和(自身を含む): 140414400

約数和(自身を除く): 68212010

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 397, 794, 1399, 1985, 2798, 3970, 5161, 6995, 10322, 13990, 18187, 25805, 36374, 51610, 90935, 181870, 555403, 1110806, 2777015, 5554030, 7220239, 14440478, 36101195, 72202390]

約数ペア:

[(1, 72202390), (2, 36101195), (5, 14440478), (10, 7220239), (13, 5554030), (26, 2777015), (65, 1110806), (130, 555403), (397, 181870), (794, 90935), (1399, 51610), (1985, 36374), (2798, 25805), (3970, 18187), (5161, 13990), (6995, 10322)]