17950840

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{4357}}^1$

素因数の和:4471

約数の個数: 32

約数和(自身を含む): 40790880

約数和(自身を除く): 22840040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 206, 412, 515, 824, 1030, 2060, 4120, 4357, 8714, 17428, 21785, 34856, 43570, 87140, 174280, 448771, 897542, 1795084, 2243855, 3590168, 4487710, 8975420, 17950840]

約数ペア:

[(1, 17950840), (2, 8975420), (4, 4487710), (5, 3590168), (8, 2243855), (10, 1795084), (20, 897542), (40, 448771), (103, 174280), (206, 87140), (412, 43570), (515, 34856), (824, 21785), (1030, 17428), (2060, 8714), (4120, 4357)]