4781720

素因数分解:

$2^3\times 5^1\times {\mathrm{173}}^1\times {\mathrm{691}}^1$

素因数の和:875

約数の個数: 32

約数和(自身を含む): 10836720

約数和(自身を除く): 6055000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 173, 346, 691, 692, 865, 1382, 1384, 1730, 2764, 3455, 3460, 5528, 6910, 6920, 13820, 27640, 119543, 239086, 478172, 597715, 956344, 1195430, 2390860, 4781720]

約数ペア:

[(1, 4781720), (2, 2390860), (4, 1195430), (5, 956344), (8, 597715), (10, 478172), (20, 239086), (40, 119543), (173, 27640), (346, 13820), (691, 6920), (692, 6910), (865, 5528), (1382, 3460), (1384, 3455), (1730, 2764)]