54655000

素因数分解:

$2^3\times 5^4\times {\mathrm{17}}^1\times {\mathrm{643}}^1$

素因数の和:686

約数の個数: 80

約数和(自身を含む): 135800280

約数和(自身を除く): 81145280

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 25, 34, 40, 50, 68, 85, 100, 125, 136, 170, 200, 250, 340, 425, 500, 625, 643, 680, 850, 1000, 1250, 1286, 1700, 2125, 2500, 2572, 3215, 3400, 4250, 5000, 5144, 6430, 8500, 10625, 10931, 12860, 16075, 17000, 21250, 21862, 25720, 32150, 42500, 43724, 54655, 64300, 80375, 85000, 87448, 109310, 128600, 160750, 218620, 273275, 321500, 401875, 437240, 546550, 643000, 803750, 1093100, 1366375, 1607500, 2186200, 2732750, 3215000, 5465500, 6831875, 10931000, 13663750, 27327500, 54655000]

約数ペア:

[(1, 54655000), (2, 27327500), (4, 13663750), (5, 10931000), (8, 6831875), (10, 5465500), (17, 3215000), (20, 2732750), (25, 2186200), (34, 1607500), (40, 1366375), (50, 1093100), (68, 803750), (85, 643000), (100, 546550), (125, 437240), (136, 401875), (170, 321500), (200, 273275), (250, 218620), (340, 160750), (425, 128600), (500, 109310), (625, 87448), (643, 85000), (680, 80375), (850, 64300), (1000, 54655), (1250, 43724), (1286, 42500), (1700, 32150), (2125, 25720), (2500, 21862), (2572, 21250), (3215, 17000), (3400, 16075), (4250, 12860), (5000, 10931), (5144, 10625), (6430, 8500)]