51308780

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{113}}^1\times {\mathrm{311}}^1$

素因数の和:506

約数の個数: 48

約数和(自身を含む): 110545344

約数和(自身を除く): 59236564

約数列:

[1, 2, 4, 5, 10, 20, 73, 113, 146, 226, 292, 311, 365, 452, 565, 622, 730, 1130, 1244, 1460, 1555, 2260, 3110, 6220, 8249, 16498, 22703, 32996, 35143, 41245, 45406, 70286, 82490, 90812, 113515, 140572, 164980, 175715, 227030, 351430, 454060, 702860, 2565439, 5130878, 10261756, 12827195, 25654390, 51308780]

約数ペア:

[(1, 51308780), (2, 25654390), (4, 12827195), (5, 10261756), (10, 5130878), (20, 2565439), (73, 702860), (113, 454060), (146, 351430), (226, 227030), (292, 175715), (311, 164980), (365, 140572), (452, 113515), (565, 90812), (622, 82490), (730, 70286), (1130, 45406), (1244, 41245), (1460, 35143), (1555, 32996), (2260, 22703), (3110, 16498), (6220, 8249)]