25716980

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41479}}^1$

素因数の和:41519

約数の個数: 24

約数和(自身を含む): 55749120

約数和(自身を除く): 30032140

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 41479, 82958, 165916, 207395, 414790, 829580, 1285849, 2571698, 5143396, 6429245, 12858490, 25716980]

約数ペア:

[(1, 25716980), (2, 12858490), (4, 6429245), (5, 5143396), (10, 2571698), (20, 1285849), (31, 829580), (62, 414790), (124, 207395), (155, 165916), (310, 82958), (620, 41479)]