72611320

素因数分解:

$2^3\times 5^1\times {\mathrm{229}}^1\times {\mathrm{7927}}^1$

素因数の和:8167

約数の個数: 32

約数和(自身を含む): 164109600

約数和(自身を除く): 91498280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 229, 458, 916, 1145, 1832, 2290, 4580, 7927, 9160, 15854, 31708, 39635, 63416, 79270, 158540, 317080, 1815283, 3630566, 7261132, 9076415, 14522264, 18152830, 36305660, 72611320]

約数ペア:

[(1, 72611320), (2, 36305660), (4, 18152830), (5, 14522264), (8, 9076415), (10, 7261132), (20, 3630566), (40, 1815283), (229, 317080), (458, 158540), (916, 79270), (1145, 63416), (1832, 39635), (2290, 31708), (4580, 15854), (7927, 9160)]