25198980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{457}}^1\times {\mathrm{919}}^1$

素因数の和:1388

約数の個数: 48

約数和(自身を含む): 70788480

約数和(自身を除く): 45589500

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 457, 914, 919, 1371, 1828, 1838, 2285, 2742, 2757, 3676, 4570, 4595, 5484, 5514, 6855, 9140, 9190, 11028, 13710, 13785, 18380, 27420, 27570, 55140, 419983, 839966, 1259949, 1679932, 2099915, 2519898, 4199830, 5039796, 6299745, 8399660, 12599490, 25198980]

約数ペア:

[(1, 25198980), (2, 12599490), (3, 8399660), (4, 6299745), (5, 5039796), (6, 4199830), (10, 2519898), (12, 2099915), (15, 1679932), (20, 1259949), (30, 839966), (60, 419983), (457, 55140), (914, 27570), (919, 27420), (1371, 18380), (1828, 13785), (1838, 13710), (2285, 11028), (2742, 9190), (2757, 9140), (3676, 6855), (4570, 5514), (4595, 5484)]