56590220

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{197}}^1\times {\mathrm{271}}^1$

素因数の和:530

約数の個数: 48

約数和(自身を含む): 122145408

約数和(自身を除く): 65555188

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 197, 212, 265, 271, 394, 530, 542, 788, 985, 1060, 1084, 1355, 1970, 2710, 3940, 5420, 10441, 14363, 20882, 28726, 41764, 52205, 53387, 57452, 71815, 104410, 106774, 143630, 208820, 213548, 266935, 287260, 533870, 1067740, 2829511, 5659022, 11318044, 14147555, 28295110, 56590220]

約数ペア:

[(1, 56590220), (2, 28295110), (4, 14147555), (5, 11318044), (10, 5659022), (20, 2829511), (53, 1067740), (106, 533870), (197, 287260), (212, 266935), (265, 213548), (271, 208820), (394, 143630), (530, 106774), (542, 104410), (788, 71815), (985, 57452), (1060, 53387), (1084, 52205), (1355, 41764), (1970, 28726), (2710, 20882), (3940, 14363), (5420, 10441)]