8530840

素因数分解:

$2^3\times 5^1\times {\mathrm{419}}^1\times {\mathrm{509}}^1$

素因数の和:939

約数の個数: 32

約数和(自身を含む): 19278000

約数和(自身を除く): 10747160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 419, 509, 838, 1018, 1676, 2036, 2095, 2545, 3352, 4072, 4190, 5090, 8380, 10180, 16760, 20360, 213271, 426542, 853084, 1066355, 1706168, 2132710, 4265420, 8530840]

約数ペア:

[(1, 8530840), (2, 4265420), (4, 2132710), (5, 1706168), (8, 1066355), (10, 853084), (20, 426542), (40, 213271), (419, 20360), (509, 16760), (838, 10180), (1018, 8380), (1676, 5090), (2036, 4190), (2095, 4072), (2545, 3352)]