40821256

素因数分解:

$2^3\times 7^1\times {\mathrm{157}}^1\times {\mathrm{4643}}^1$

素因数の和:4813

約数の個数: 32

約数和(自身を含む): 88050240

約数和(自身を除く): 47228984

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 157, 314, 628, 1099, 1256, 2198, 4396, 4643, 8792, 9286, 18572, 32501, 37144, 65002, 130004, 260008, 728951, 1457902, 2915804, 5102657, 5831608, 10205314, 20410628, 40821256]

約数ペア:

[(1, 40821256), (2, 20410628), (4, 10205314), (7, 5831608), (8, 5102657), (14, 2915804), (28, 1457902), (56, 728951), (157, 260008), (314, 130004), (628, 65002), (1099, 37144), (1256, 32501), (2198, 18572), (4396, 9286), (4643, 8792)]