25239680

素因数分解:

$2^7\times 5^1\times {\mathrm{113}}^1\times {\mathrm{349}}^1$

素因数の和:481

約数の個数: 64

約数和(自身を含む): 61047000

約数和(自身を除く): 35807320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 113, 128, 160, 226, 320, 349, 452, 565, 640, 698, 904, 1130, 1396, 1745, 1808, 2260, 2792, 3490, 3616, 4520, 5584, 6980, 7232, 9040, 11168, 13960, 14464, 18080, 22336, 27920, 36160, 39437, 44672, 55840, 72320, 78874, 111680, 157748, 197185, 223360, 315496, 394370, 630992, 788740, 1261984, 1577480, 2523968, 3154960, 5047936, 6309920, 12619840, 25239680]

約数ペア:

[(1, 25239680), (2, 12619840), (4, 6309920), (5, 5047936), (8, 3154960), (10, 2523968), (16, 1577480), (20, 1261984), (32, 788740), (40, 630992), (64, 394370), (80, 315496), (113, 223360), (128, 197185), (160, 157748), (226, 111680), (320, 78874), (349, 72320), (452, 55840), (565, 44672), (640, 39437), (698, 36160), (904, 27920), (1130, 22336), (1396, 18080), (1745, 14464), (1808, 13960), (2260, 11168), (2792, 9040), (3490, 7232), (3616, 6980), (4520, 5584)]