25007560

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{277}}^1$

素因数の和:386

約数の個数: 64

約数和(自身を含む): 58947120

約数和(自身を除く): 33939560

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 61, 74, 122, 148, 185, 244, 277, 296, 305, 370, 488, 554, 610, 740, 1108, 1220, 1385, 1480, 2216, 2257, 2440, 2770, 4514, 5540, 9028, 10249, 11080, 11285, 16897, 18056, 20498, 22570, 33794, 40996, 45140, 51245, 67588, 81992, 84485, 90280, 102490, 135176, 168970, 204980, 337940, 409960, 625189, 675880, 1250378, 2500756, 3125945, 5001512, 6251890, 12503780, 25007560]

約数ペア:

[(1, 25007560), (2, 12503780), (4, 6251890), (5, 5001512), (8, 3125945), (10, 2500756), (20, 1250378), (37, 675880), (40, 625189), (61, 409960), (74, 337940), (122, 204980), (148, 168970), (185, 135176), (244, 102490), (277, 90280), (296, 84485), (305, 81992), (370, 67588), (488, 51245), (554, 45140), (610, 40996), (740, 33794), (1108, 22570), (1220, 20498), (1385, 18056), (1480, 16897), (2216, 11285), (2257, 11080), (2440, 10249), (2770, 9028), (4514, 5540)]