39874960

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{12157}}^1$

素因数の和:12211

約数の個数: 40

約数和(自身を含む): 94978296

約数和(自身を除く): 55103336

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 12157, 24314, 48628, 60785, 97256, 121570, 194512, 243140, 486280, 498437, 972560, 996874, 1993748, 2492185, 3987496, 4984370, 7974992, 9968740, 19937480, 39874960]

約数ペア:

[(1, 39874960), (2, 19937480), (4, 9968740), (5, 7974992), (8, 4984370), (10, 3987496), (16, 2492185), (20, 1993748), (40, 996874), (41, 972560), (80, 498437), (82, 486280), (164, 243140), (205, 194512), (328, 121570), (410, 97256), (656, 60785), (820, 48628), (1640, 24314), (3280, 12157)]