74384920

素因数分解:

$2^3\times 5^1\times {\mathrm{811}}^1\times {\mathrm{2293}}^1$

素因数の和:3115

約数の個数: 32

約数和(自身を含む): 167645520

約数和(自身を除く): 93260600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 811, 1622, 2293, 3244, 4055, 4586, 6488, 8110, 9172, 11465, 16220, 18344, 22930, 32440, 45860, 91720, 1859623, 3719246, 7438492, 9298115, 14876984, 18596230, 37192460, 74384920]

約数ペア:

[(1, 74384920), (2, 37192460), (4, 18596230), (5, 14876984), (8, 9298115), (10, 7438492), (20, 3719246), (40, 1859623), (811, 91720), (1622, 45860), (2293, 32440), (3244, 22930), (4055, 18344), (4586, 16220), (6488, 11465), (8110, 9172)]