12740380

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{20549}}^1$

素因数の和:20589

約数の個数: 24

約数和(自身を含む): 27619200

約数和(自身を除く): 14878820

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 20549, 41098, 82196, 102745, 205490, 410980, 637019, 1274038, 2548076, 3185095, 6370190, 12740380]

約数ペア:

[(1, 12740380), (2, 6370190), (4, 3185095), (5, 2548076), (10, 1274038), (20, 637019), (31, 410980), (62, 205490), (124, 102745), (155, 82196), (310, 41098), (620, 20549)]