51031327280

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{202441}}^1$

素因数の和:202614

約数の個数: 80

約数和(自身を含む): 124710750144

約数和(自身を除く): 73679422864

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 137, 184, 230, 274, 368, 460, 548, 685, 920, 1096, 1370, 1840, 2192, 2740, 3151, 5480, 6302, 10960, 12604, 15755, 25208, 31510, 50416, 63020, 126040, 202441, 252080, 404882, 809764, 1012205, 1619528, 2024410, 3239056, 4048820, 4656143, 8097640, 9312286, 16195280, 18624572, 23280715, 27734417, 37249144, 46561430, 55468834, 74498288, 93122860, 110937668, 138672085, 186245720, 221875336, 277344170, 372491440, 443750672, 554688340, 637891591, 1109376680, 1275783182, 2218753360, 2551566364, 3189457955, 5103132728, 6378915910, 10206265456, 12757831820, 25515663640, 51031327280]

約数ペア:

[(1, 51031327280), (2, 25515663640), (4, 12757831820), (5, 10206265456), (8, 6378915910), (10, 5103132728), (16, 3189457955), (20, 2551566364), (23, 2218753360), (40, 1275783182), (46, 1109376680), (80, 637891591), (92, 554688340), (115, 443750672), (137, 372491440), (184, 277344170), (230, 221875336), (274, 186245720), (368, 138672085), (460, 110937668), (548, 93122860), (685, 74498288), (920, 55468834), (1096, 46561430), (1370, 37249144), (1840, 27734417), (2192, 23280715), (2740, 18624572), (3151, 16195280), (5480, 9312286), (6302, 8097640), (10960, 4656143), (12604, 4048820), (15755, 3239056), (25208, 2024410), (31510, 1619528), (50416, 1012205), (63020, 809764), (126040, 404882), (202441, 252080)]