56499820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{217307}}^1$

素因数の和:217329

約数の個数: 24

約数和(自身を含む): 127777104

約数和(自身を除く): 71277284

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 217307, 434614, 869228, 1086535, 2173070, 2824991, 4346140, 5649982, 11299964, 14124955, 28249910, 56499820]

約数ペア:

[(1, 56499820), (2, 28249910), (4, 14124955), (5, 11299964), (10, 5649982), (13, 4346140), (20, 2824991), (26, 2173070), (52, 1086535), (65, 869228), (130, 434614), (260, 217307)]