25571900

素因数分解:

$2^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{113}}^1$

素因数の和:231

約数の個数: 72

約数和(自身を含む): 58579584

約数和(自身を除く): 33007684

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 62, 73, 100, 113, 124, 146, 155, 226, 292, 310, 365, 452, 565, 620, 730, 775, 1130, 1460, 1550, 1825, 2260, 2263, 2825, 3100, 3503, 3650, 4526, 5650, 7006, 7300, 8249, 9052, 11300, 11315, 14012, 16498, 17515, 22630, 32996, 35030, 41245, 45260, 56575, 70060, 82490, 87575, 113150, 164980, 175150, 206225, 226300, 255719, 350300, 412450, 511438, 824900, 1022876, 1278595, 2557190, 5114380, 6392975, 12785950, 25571900]

約数ペア:

[(1, 25571900), (2, 12785950), (4, 6392975), (5, 5114380), (10, 2557190), (20, 1278595), (25, 1022876), (31, 824900), (50, 511438), (62, 412450), (73, 350300), (100, 255719), (113, 226300), (124, 206225), (146, 175150), (155, 164980), (226, 113150), (292, 87575), (310, 82490), (365, 70060), (452, 56575), (565, 45260), (620, 41245), (730, 35030), (775, 32996), (1130, 22630), (1460, 17515), (1550, 16498), (1825, 14012), (2260, 11315), (2263, 11300), (2825, 9052), (3100, 8249), (3503, 7300), (3650, 7006), (4526, 5650)]