81145150

素因数分解:

$2^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{1721}}^1$

素因数の和:1797

約数の個数: 48

約数和(自身を含む): 161427168

約数和(自身を除く): 80282018

約数列:

[1, 2, 5, 10, 23, 25, 41, 46, 50, 82, 115, 205, 230, 410, 575, 943, 1025, 1150, 1721, 1886, 2050, 3442, 4715, 8605, 9430, 17210, 23575, 39583, 43025, 47150, 70561, 79166, 86050, 141122, 197915, 352805, 395830, 705610, 989575, 1622903, 1764025, 1979150, 3245806, 3528050, 8114515, 16229030, 40572575, 81145150]

約数ペア:

[(1, 81145150), (2, 40572575), (5, 16229030), (10, 8114515), (23, 3528050), (25, 3245806), (41, 1979150), (46, 1764025), (50, 1622903), (82, 989575), (115, 705610), (205, 395830), (230, 352805), (410, 197915), (575, 141122), (943, 86050), (1025, 79166), (1150, 70561), (1721, 47150), (1886, 43025), (2050, 39583), (3442, 23575), (4715, 17210), (8605, 9430)]