56428520

素因数分解:

$2^3\times 5^1\times {\mathrm{547}}^1\times {\mathrm{2579}}^1$

素因数の和:3137

約数の個数: 32

約数和(自身を含む): 127245600

約数和(自身を除く): 70817080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 547, 1094, 2188, 2579, 2735, 4376, 5158, 5470, 10316, 10940, 12895, 20632, 21880, 25790, 51580, 103160, 1410713, 2821426, 5642852, 7053565, 11285704, 14107130, 28214260, 56428520]

約数ペア:

[(1, 56428520), (2, 28214260), (4, 14107130), (5, 11285704), (8, 7053565), (10, 5642852), (20, 2821426), (40, 1410713), (547, 103160), (1094, 51580), (2188, 25790), (2579, 21880), (2735, 20632), (4376, 12895), (5158, 10940), (5470, 10316)]