25480760

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{20549}}^1$

素因数の和:20591

約数の個数: 32

約数和(自身を含む): 59184000

約数和(自身を除く): 33703240

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 20549, 41098, 82196, 102745, 164392, 205490, 410980, 637019, 821960, 1274038, 2548076, 3185095, 5096152, 6370190, 12740380, 25480760]

約数ペア:

[(1, 25480760), (2, 12740380), (4, 6370190), (5, 5096152), (8, 3185095), (10, 2548076), (20, 1274038), (31, 821960), (40, 637019), (62, 410980), (124, 205490), (155, 164392), (248, 102745), (310, 82196), (620, 41098), (1240, 20549)]