8791240

素因数分解:

$2^3\times 5^1\times {\mathrm{271}}^1\times {\mathrm{811}}^1$

素因数の和:1093

約数の個数: 32

約数和(自身を含む): 19877760

約数和(自身を除く): 11086520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 271, 542, 811, 1084, 1355, 1622, 2168, 2710, 3244, 4055, 5420, 6488, 8110, 10840, 16220, 32440, 219781, 439562, 879124, 1098905, 1758248, 2197810, 4395620, 8791240]

約数ペア:

[(1, 8791240), (2, 4395620), (4, 2197810), (5, 1758248), (8, 1098905), (10, 879124), (20, 439562), (40, 219781), (271, 32440), (542, 16220), (811, 10840), (1084, 8110), (1355, 6488), (1622, 5420), (2168, 4055), (2710, 3244)]