4395620

素因数分解:

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

素因数の和:1091

約数の個数: 24

約数和(自身を含む): 9276288

約数和(自身を除く): 4880668

約数列:

[1, 2, 4, 5, 10, 20, 271, 542, 811, 1084, 1355, 1622, 2710, 3244, 4055, 5420, 8110, 16220, 219781, 439562, 879124, 1098905, 2197810, 4395620]

約数ペア:

[(1, 4395620), (2, 2197810), (4, 1098905), (5, 879124), (10, 439562), (20, 219781), (271, 16220), (542, 8110), (811, 5420), (1084, 4055), (1355, 3244), (1622, 2710)]