64092020

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{1663}}^1$

素因数の和:1760

約数の個数: 48

約数和(自身を含む): 140894208

約数和(自身を除く): 76802188

約数列:

[1, 2, 4, 5, 10, 20, 41, 47, 82, 94, 164, 188, 205, 235, 410, 470, 820, 940, 1663, 1927, 3326, 3854, 6652, 7708, 8315, 9635, 16630, 19270, 33260, 38540, 68183, 78161, 136366, 156322, 272732, 312644, 340915, 390805, 681830, 781610, 1363660, 1563220, 3204601, 6409202, 12818404, 16023005, 32046010, 64092020]

約数ペア:

[(1, 64092020), (2, 32046010), (4, 16023005), (5, 12818404), (10, 6409202), (20, 3204601), (41, 1563220), (47, 1363660), (82, 781610), (94, 681830), (164, 390805), (188, 340915), (205, 312644), (235, 272732), (410, 156322), (470, 136366), (820, 78161), (940, 68183), (1663, 38540), (1927, 33260), (3326, 19270), (3854, 16630), (6652, 9635), (7708, 8315)]