990040

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{467}}^1$

素因数の和:531

約数の個数: 32

約数和(自身を含む): 2274480

約数和(自身を除く): 1284440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 467, 530, 934, 1060, 1868, 2120, 2335, 3736, 4670, 9340, 18680, 24751, 49502, 99004, 123755, 198008, 247510, 495020, 990040]

約数ペア:

[(1, 990040), (2, 495020), (4, 247510), (5, 198008), (8, 123755), (10, 99004), (20, 49502), (40, 24751), (53, 18680), (106, 9340), (212, 4670), (265, 3736), (424, 2335), (467, 2120), (530, 1868), (934, 1060)]