218915706760

素因数分解:

$2^3\times 5^1\times {\mathrm{1361}}^1\times {\mathrm{4021229}}^1$

素因数の和:4022601

約数の個数: 32

約数和(自身を含む): 492922373400

約数和(自身を除く): 274006666640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1361, 2722, 5444, 6805, 10888, 13610, 27220, 54440, 4021229, 8042458, 16084916, 20106145, 32169832, 40212290, 80424580, 160849160, 5472892669, 10945785338, 21891570676, 27364463345, 43783141352, 54728926690, 109457853380, 218915706760]

約数ペア:

[(1, 218915706760), (2, 109457853380), (4, 54728926690), (5, 43783141352), (8, 27364463345), (10, 21891570676), (20, 10945785338), (40, 5472892669), (1361, 160849160), (2722, 80424580), (5444, 40212290), (6805, 32169832), (10888, 20106145), (13610, 16084916), (27220, 8042458), (54440, 4021229)]