71046980

素因数分解:

$2^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{17851}}^1$

素因数の和:18059

約数の個数: 24

約数和(自身を含む): 149956800

約数和(自身を除く): 78909820

約数列:

[1, 2, 4, 5, 10, 20, 199, 398, 796, 995, 1990, 3980, 17851, 35702, 71404, 89255, 178510, 357020, 3552349, 7104698, 14209396, 17761745, 35523490, 71046980]

約数ペア:

[(1, 71046980), (2, 35523490), (4, 17761745), (5, 14209396), (10, 7104698), (20, 3552349), (199, 357020), (398, 178510), (796, 89255), (995, 71404), (1990, 35702), (3980, 17851)]