28271540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{1201}}^1$

素因数の和:1328

約数の個数: 48

約数和(自身を含む): 65427264

約数和(自身を除く): 37155724

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 107, 110, 214, 220, 428, 535, 1070, 1177, 1201, 2140, 2354, 2402, 4708, 4804, 5885, 6005, 11770, 12010, 13211, 23540, 24020, 26422, 52844, 66055, 128507, 132110, 257014, 264220, 514028, 642535, 1285070, 1413577, 2570140, 2827154, 5654308, 7067885, 14135770, 28271540]

約数ペア:

[(1, 28271540), (2, 14135770), (4, 7067885), (5, 5654308), (10, 2827154), (11, 2570140), (20, 1413577), (22, 1285070), (44, 642535), (55, 514028), (107, 264220), (110, 257014), (214, 132110), (220, 128507), (428, 66055), (535, 52844), (1070, 26422), (1177, 24020), (1201, 23540), (2140, 13211), (2354, 12010), (2402, 11770), (4708, 6005), (4804, 5885)]