2021063920

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{467}}^1\times {\mathrm{1151}}^1$

素因数の和:1678

約数の個数: 80

約数和(自身を含む): 4813406208

約数和(自身を除く): 2792342288

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 80, 94, 188, 235, 376, 467, 470, 752, 934, 940, 1151, 1868, 1880, 2302, 2335, 3736, 3760, 4604, 4670, 5755, 7472, 9208, 9340, 11510, 18416, 18680, 21949, 23020, 37360, 43898, 46040, 54097, 87796, 92080, 108194, 109745, 175592, 216388, 219490, 270485, 351184, 432776, 438980, 537517, 540970, 865552, 877960, 1075034, 1081940, 1755920, 2150068, 2163880, 2687585, 4300136, 4327760, 5375170, 8600272, 10750340, 21500680, 25263299, 43001360, 50526598, 101053196, 126316495, 202106392, 252632990, 404212784, 505265980, 1010531960, 2021063920]

約数ペア:

[(1, 2021063920), (2, 1010531960), (4, 505265980), (5, 404212784), (8, 252632990), (10, 202106392), (16, 126316495), (20, 101053196), (40, 50526598), (47, 43001360), (80, 25263299), (94, 21500680), (188, 10750340), (235, 8600272), (376, 5375170), (467, 4327760), (470, 4300136), (752, 2687585), (934, 2163880), (940, 2150068), (1151, 1755920), (1868, 1081940), (1880, 1075034), (2302, 877960), (2335, 865552), (3736, 540970), (3760, 537517), (4604, 438980), (4670, 432776), (5755, 351184), (7472, 270485), (9208, 219490), (9340, 216388), (11510, 175592), (18416, 109745), (18680, 108194), (21949, 92080), (23020, 87796), (37360, 54097), (43898, 46040)]