31126720

素因数分解:

$2^6\times 5^1\times {\mathrm{211}}^1\times {\mathrm{461}}^1$

素因数の和:689

約数の個数: 56

約数和(自身を含む): 74633328

約数和(自身を除く): 43506608

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 211, 320, 422, 461, 844, 922, 1055, 1688, 1844, 2110, 2305, 3376, 3688, 4220, 4610, 6752, 7376, 8440, 9220, 13504, 14752, 16880, 18440, 29504, 33760, 36880, 67520, 73760, 97271, 147520, 194542, 389084, 486355, 778168, 972710, 1556336, 1945420, 3112672, 3890840, 6225344, 7781680, 15563360, 31126720]

約数ペア:

[(1, 31126720), (2, 15563360), (4, 7781680), (5, 6225344), (8, 3890840), (10, 3112672), (16, 1945420), (20, 1556336), (32, 972710), (40, 778168), (64, 486355), (80, 389084), (160, 194542), (211, 147520), (320, 97271), (422, 73760), (461, 67520), (844, 36880), (922, 33760), (1055, 29504), (1688, 18440), (1844, 16880), (2110, 14752), (2305, 13504), (3376, 9220), (3688, 8440), (4220, 7376), (4610, 6752)]