57898040

素因数分解:

$2^3\times 5^1\times {\mathrm{409}}^1\times {\mathrm{3539}}^1$

素因数の和:3959

約数の個数: 32

約数和(自身を含む): 130626000

約数和(自身を除く): 72727960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 409, 818, 1636, 2045, 3272, 3539, 4090, 7078, 8180, 14156, 16360, 17695, 28312, 35390, 70780, 141560, 1447451, 2894902, 5789804, 7237255, 11579608, 14474510, 28949020, 57898040]

約数ペア:

[(1, 57898040), (2, 28949020), (4, 14474510), (5, 11579608), (8, 7237255), (10, 5789804), (20, 2894902), (40, 1447451), (409, 141560), (818, 70780), (1636, 35390), (2045, 28312), (3272, 17695), (3539, 16360), (4090, 14156), (7078, 8180)]