51222760

素因数分解:

$2^3\times 5^1\times {\mathrm{811}}^1\times {\mathrm{1579}}^1$

素因数の和:2401

約数の個数: 32

約数和(自身を含む): 115466400

約数和(自身を除く): 64243640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 811, 1579, 1622, 3158, 3244, 4055, 6316, 6488, 7895, 8110, 12632, 15790, 16220, 31580, 32440, 63160, 1280569, 2561138, 5122276, 6402845, 10244552, 12805690, 25611380, 51222760]

約数ペア:

[(1, 51222760), (2, 25611380), (4, 12805690), (5, 10244552), (8, 6402845), (10, 5122276), (20, 2561138), (40, 1280569), (811, 63160), (1579, 32440), (1622, 31580), (3158, 16220), (3244, 15790), (4055, 12632), (6316, 8110), (6488, 7895)]