80654800

素因数分解:

$2^4\times 5^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{409}}^1$

素因数の和:473

約数の個数: 120

約数和(自身を含む): 212765400

約数和(自身を除く): 132110600

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 29, 34, 40, 50, 58, 68, 80, 85, 100, 116, 136, 145, 170, 200, 232, 272, 290, 340, 400, 409, 425, 464, 493, 580, 680, 725, 818, 850, 986, 1160, 1360, 1450, 1636, 1700, 1972, 2045, 2320, 2465, 2900, 3272, 3400, 3944, 4090, 4930, 5800, 6544, 6800, 6953, 7888, 8180, 9860, 10225, 11600, 11861, 12325, 13906, 16360, 19720, 20450, 23722, 24650, 27812, 32720, 34765, 39440, 40900, 47444, 49300, 55624, 59305, 69530, 81800, 94888, 98600, 111248, 118610, 139060, 163600, 173825, 189776, 197200, 201637, 237220, 278120, 296525, 347650, 403274, 474440, 556240, 593050, 695300, 806548, 948880, 1008185, 1186100, 1390600, 1613096, 2016370, 2372200, 2781200, 3226192, 4032740, 4744400, 5040925, 8065480, 10081850, 16130960, 20163700, 40327400, 80654800]

約数ペア:

[(1, 80654800), (2, 40327400), (4, 20163700), (5, 16130960), (8, 10081850), (10, 8065480), (16, 5040925), (17, 4744400), (20, 4032740), (25, 3226192), (29, 2781200), (34, 2372200), (40, 2016370), (50, 1613096), (58, 1390600), (68, 1186100), (80, 1008185), (85, 948880), (100, 806548), (116, 695300), (136, 593050), (145, 556240), (170, 474440), (200, 403274), (232, 347650), (272, 296525), (290, 278120), (340, 237220), (400, 201637), (409, 197200), (425, 189776), (464, 173825), (493, 163600), (580, 139060), (680, 118610), (725, 111248), (818, 98600), (850, 94888), (986, 81800), (1160, 69530), (1360, 59305), (1450, 55624), (1636, 49300), (1700, 47444), (1972, 40900), (2045, 39440), (2320, 34765), (2465, 32720), (2900, 27812), (3272, 24650), (3400, 23722), (3944, 20450), (4090, 19720), (4930, 16360), (5800, 13906), (6544, 12325), (6800, 11861), (6953, 11600), (7888, 10225), (8180, 9860)]