57681640

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{21523}}^1$

素因数の和:21601

約数の個数: 32

約数和(自身を含む): 131726880

約数和(自身を除く): 74045240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 134, 268, 335, 536, 670, 1340, 2680, 21523, 43046, 86092, 107615, 172184, 215230, 430460, 860920, 1442041, 2884082, 5768164, 7210205, 11536328, 14420410, 28840820, 57681640]

約数ペア:

[(1, 57681640), (2, 28840820), (4, 14420410), (5, 11536328), (8, 7210205), (10, 5768164), (20, 2884082), (40, 1442041), (67, 860920), (134, 430460), (268, 215230), (335, 172184), (536, 107615), (670, 86092), (1340, 43046), (2680, 21523)]