201640816

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{113}}^1\times {\mathrm{373}}^1$

素因数の和:530

約数の個数: 80

約数和(自身を含む): 444096576

約数和(自身を除く): 242455760

約数列:

[1, 2, 4, 8, 13, 16, 23, 26, 46, 52, 92, 104, 113, 184, 208, 226, 299, 368, 373, 452, 598, 746, 904, 1196, 1469, 1492, 1808, 2392, 2599, 2938, 2984, 4784, 4849, 5198, 5876, 5968, 8579, 9698, 10396, 11752, 17158, 19396, 20792, 23504, 33787, 34316, 38792, 41584, 42149, 67574, 68632, 77584, 84298, 111527, 135148, 137264, 168596, 223054, 270296, 337192, 446108, 540592, 547937, 674384, 892216, 969427, 1095874, 1784432, 1938854, 2191748, 3877708, 4383496, 7755416, 8766992, 12602551, 15510832, 25205102, 50410204, 100820408, 201640816]

約数ペア:

[(1, 201640816), (2, 100820408), (4, 50410204), (8, 25205102), (13, 15510832), (16, 12602551), (23, 8766992), (26, 7755416), (46, 4383496), (52, 3877708), (92, 2191748), (104, 1938854), (113, 1784432), (184, 1095874), (208, 969427), (226, 892216), (299, 674384), (368, 547937), (373, 540592), (452, 446108), (598, 337192), (746, 270296), (904, 223054), (1196, 168596), (1469, 137264), (1492, 135148), (1808, 111527), (2392, 84298), (2599, 77584), (2938, 68632), (2984, 67574), (4784, 42149), (4849, 41584), (5198, 38792), (5876, 34316), (5968, 33787), (8579, 23504), (9698, 20792), (10396, 19396), (11752, 17158)]