861368050

素因数分解:

$2^1\times 5^2\times {\mathrm{401}}^1\times {\mathrm{42961}}^1$

素因数の和:43374

約数の個数: 24

約数和(自身を含む): 1606177332

約数和(自身を除く): 744809282

約数列:

[1, 2, 5, 10, 25, 50, 401, 802, 2005, 4010, 10025, 20050, 42961, 85922, 214805, 429610, 1074025, 2148050, 17227361, 34454722, 86136805, 172273610, 430684025, 861368050]

約数ペア:

[(1, 861368050), (2, 430684025), (5, 172273610), (10, 86136805), (25, 34454722), (50, 17227361), (401, 2148050), (802, 1074025), (2005, 429610), (4010, 214805), (10025, 85922), (20050, 42961)]