2078552450

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{811}}^1\times {\mathrm{3943}}^1$

素因数の和:4779

約数の個数: 48

約数和(自身を含む): 4169691456

約数和(自身を除く): 2091139006

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 811, 1622, 3943, 4055, 7886, 8110, 10543, 19715, 20275, 21086, 39430, 40550, 51259, 52715, 98575, 102518, 105430, 197150, 256295, 263575, 512590, 527150, 1281475, 2562950, 3197773, 6395546, 15988865, 31977730, 41571049, 79944325, 83142098, 159888650, 207855245, 415710490, 1039276225, 2078552450]

約数ペア:

[(1, 2078552450), (2, 1039276225), (5, 415710490), (10, 207855245), (13, 159888650), (25, 83142098), (26, 79944325), (50, 41571049), (65, 31977730), (130, 15988865), (325, 6395546), (650, 3197773), (811, 2562950), (1622, 1281475), (3943, 527150), (4055, 512590), (7886, 263575), (8110, 256295), (10543, 197150), (19715, 105430), (20275, 102518), (21086, 98575), (39430, 52715), (40550, 51259)]