26639140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{6373}}^1$

素因数の和:6412

約数の個数: 48

約数和(自身を含む): 64249920

約数和(自身を除く): 37610780

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 220, 380, 418, 836, 1045, 2090, 4180, 6373, 12746, 25492, 31865, 63730, 70103, 121087, 127460, 140206, 242174, 280412, 350515, 484348, 605435, 701030, 1210870, 1331957, 1402060, 2421740, 2663914, 5327828, 6659785, 13319570, 26639140]

約数ペア:

[(1, 26639140), (2, 13319570), (4, 6659785), (5, 5327828), (10, 2663914), (11, 2421740), (19, 1402060), (20, 1331957), (22, 1210870), (38, 701030), (44, 605435), (55, 484348), (76, 350515), (95, 280412), (110, 242174), (190, 140206), (209, 127460), (220, 121087), (380, 70103), (418, 63730), (836, 31865), (1045, 25492), (2090, 12746), (4180, 6373)]