25358380

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{509}}^1$

素因数の和:618

約数の個数: 48

約数和(自身を含む): 55520640

約数和(自身を除く): 30162260

約数列:

[1, 2, 4, 5, 10, 20, 47, 53, 94, 106, 188, 212, 235, 265, 470, 509, 530, 940, 1018, 1060, 2036, 2491, 2545, 4982, 5090, 9964, 10180, 12455, 23923, 24910, 26977, 47846, 49820, 53954, 95692, 107908, 119615, 134885, 239230, 269770, 478460, 539540, 1267919, 2535838, 5071676, 6339595, 12679190, 25358380]

約数ペア:

[(1, 25358380), (2, 12679190), (4, 6339595), (5, 5071676), (10, 2535838), (20, 1267919), (47, 539540), (53, 478460), (94, 269770), (106, 239230), (188, 134885), (212, 119615), (235, 107908), (265, 95692), (470, 53954), (509, 49820), (530, 47846), (940, 26977), (1018, 24910), (1060, 23923), (2036, 12455), (2491, 10180), (2545, 9964), (4982, 5090)]