986974840

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{239557}}^1$

素因数の和:239671

約数の個数: 32

約数和(自身を含む): 2242262880

約数和(自身を除く): 1255288040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 206, 412, 515, 824, 1030, 2060, 4120, 239557, 479114, 958228, 1197785, 1916456, 2395570, 4791140, 9582280, 24674371, 49348742, 98697484, 123371855, 197394968, 246743710, 493487420, 986974840]

約数ペア:

[(1, 986974840), (2, 493487420), (4, 246743710), (5, 197394968), (8, 123371855), (10, 98697484), (20, 49348742), (40, 24674371), (103, 9582280), (206, 4791140), (412, 2395570), (515, 1916456), (824, 1197785), (1030, 958228), (2060, 479114), (4120, 239557)]