25107830

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{199}}^1$

素因数の和:285

約数の個数: 64

約数和(自身を含む): 52531200

約数和(自身を除く): 27423370

約数列:

[1, 2, 5, 10, 11, 22, 31, 37, 55, 62, 74, 110, 155, 185, 199, 310, 341, 370, 398, 407, 682, 814, 995, 1147, 1705, 1990, 2035, 2189, 2294, 3410, 4070, 4378, 5735, 6169, 7363, 10945, 11470, 12338, 12617, 14726, 21890, 25234, 30845, 36815, 61690, 63085, 67859, 73630, 80993, 126170, 135718, 161986, 228253, 339295, 404965, 456506, 678590, 809930, 1141265, 2282530, 2510783, 5021566, 12553915, 25107830]

約数ペア:

[(1, 25107830), (2, 12553915), (5, 5021566), (10, 2510783), (11, 2282530), (22, 1141265), (31, 809930), (37, 678590), (55, 456506), (62, 404965), (74, 339295), (110, 228253), (155, 161986), (185, 135718), (199, 126170), (310, 80993), (341, 73630), (370, 67859), (398, 63085), (407, 61690), (682, 36815), (814, 30845), (995, 25234), (1147, 21890), (1705, 14726), (1990, 12617), (2035, 12338), (2189, 11470), (2294, 10945), (3410, 7363), (4070, 6169), (4378, 5735)]