2018840260

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{127}}^1\times {\mathrm{10061}}^1$

素因数の和:10276

約数の個数: 48

約数和(自身を含む): 4327464960

約数和(自身を除く): 2308624700

約数列:

[1, 2, 4, 5, 10, 20, 79, 127, 158, 254, 316, 395, 508, 635, 790, 1270, 1580, 2540, 10033, 10061, 20066, 20122, 40132, 40244, 50165, 50305, 100330, 100610, 200660, 201220, 794819, 1277747, 1589638, 2555494, 3179276, 3974095, 5110988, 6388735, 7948190, 12777470, 15896380, 25554940, 100942013, 201884026, 403768052, 504710065, 1009420130, 2018840260]

約数ペア:

[(1, 2018840260), (2, 1009420130), (4, 504710065), (5, 403768052), (10, 201884026), (20, 100942013), (79, 25554940), (127, 15896380), (158, 12777470), (254, 7948190), (316, 6388735), (395, 5110988), (508, 3974095), (635, 3179276), (790, 2555494), (1270, 1589638), (1580, 1277747), (2540, 794819), (10033, 201220), (10061, 200660), (20066, 100610), (20122, 100330), (40132, 50305), (40244, 50165)]