71977160

素因数分解:

$2^3\times 5^1\times {\mathrm{227}}^1\times {\mathrm{7927}}^1$

素因数の和:8165

約数の個数: 32

約数和(自身を含む): 162682560

約数和(自身を除く): 90705400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 227, 454, 908, 1135, 1816, 2270, 4540, 7927, 9080, 15854, 31708, 39635, 63416, 79270, 158540, 317080, 1799429, 3598858, 7197716, 8997145, 14395432, 17994290, 35988580, 71977160]

約数ペア:

[(1, 71977160), (2, 35988580), (4, 17994290), (5, 14395432), (8, 8997145), (10, 7197716), (20, 3598858), (40, 1799429), (227, 317080), (454, 158540), (908, 79270), (1135, 63416), (1816, 39635), (2270, 31708), (4540, 15854), (7927, 9080)]