80822800

素因数分解:

$2^4\times 5^2\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1$

素因数の和:225

約数の個数: 120

約数和(自身を含む): 205669376

約数和(自身を除く): 124846576

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 37, 40, 43, 50, 74, 80, 86, 100, 127, 148, 172, 185, 200, 215, 254, 296, 344, 370, 400, 430, 508, 592, 635, 688, 740, 860, 925, 1016, 1075, 1270, 1480, 1591, 1720, 1850, 2032, 2150, 2540, 2960, 3175, 3182, 3440, 3700, 4300, 4699, 5080, 5461, 6350, 6364, 7400, 7955, 8600, 9398, 10160, 10922, 12700, 12728, 14800, 15910, 17200, 18796, 21844, 23495, 25400, 25456, 27305, 31820, 37592, 39775, 43688, 46990, 50800, 54610, 63640, 75184, 79550, 87376, 93980, 109220, 117475, 127280, 136525, 159100, 187960, 202057, 218440, 234950, 273050, 318200, 375920, 404114, 436880, 469900, 546100, 636400, 808228, 939800, 1010285, 1092200, 1616456, 1879600, 2020570, 2184400, 3232912, 4041140, 5051425, 8082280, 10102850, 16164560, 20205700, 40411400, 80822800]

約数ペア:

[(1, 80822800), (2, 40411400), (4, 20205700), (5, 16164560), (8, 10102850), (10, 8082280), (16, 5051425), (20, 4041140), (25, 3232912), (37, 2184400), (40, 2020570), (43, 1879600), (50, 1616456), (74, 1092200), (80, 1010285), (86, 939800), (100, 808228), (127, 636400), (148, 546100), (172, 469900), (185, 436880), (200, 404114), (215, 375920), (254, 318200), (296, 273050), (344, 234950), (370, 218440), (400, 202057), (430, 187960), (508, 159100), (592, 136525), (635, 127280), (688, 117475), (740, 109220), (860, 93980), (925, 87376), (1016, 79550), (1075, 75184), (1270, 63640), (1480, 54610), (1591, 50800), (1720, 46990), (1850, 43688), (2032, 39775), (2150, 37592), (2540, 31820), (2960, 27305), (3175, 25456), (3182, 25400), (3440, 23495), (3700, 21844), (4300, 18796), (4699, 17200), (5080, 15910), (5461, 14800), (6350, 12728), (6364, 12700), (7400, 10922), (7955, 10160), (8600, 9398)]