25904440

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{761}}^1$

素因数の和:832

約数の個数: 64

約数和(自身を含む): 62544960

約数和(自身を除く): 36640520

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 37, 40, 46, 74, 92, 115, 148, 184, 185, 230, 296, 370, 460, 740, 761, 851, 920, 1480, 1522, 1702, 3044, 3404, 3805, 4255, 6088, 6808, 7610, 8510, 15220, 17020, 17503, 28157, 30440, 34040, 35006, 56314, 70012, 87515, 112628, 140024, 140785, 175030, 225256, 281570, 350060, 563140, 647611, 700120, 1126280, 1295222, 2590444, 3238055, 5180888, 6476110, 12952220, 25904440]

約数ペア:

[(1, 25904440), (2, 12952220), (4, 6476110), (5, 5180888), (8, 3238055), (10, 2590444), (20, 1295222), (23, 1126280), (37, 700120), (40, 647611), (46, 563140), (74, 350060), (92, 281570), (115, 225256), (148, 175030), (184, 140785), (185, 140024), (230, 112628), (296, 87515), (370, 70012), (460, 56314), (740, 35006), (761, 34040), (851, 30440), (920, 28157), (1480, 17503), (1522, 17020), (1702, 15220), (3044, 8510), (3404, 7610), (3805, 6808), (4255, 6088)]