205639600

素因数分解:

$2^4\times 5^2\times {\mathrm{41}}^1\times {\mathrm{12539}}^1$

素因数の和:12598

約数の個数: 60

約数和(自身を含む): 506139480

約数和(自身を除く): 300499880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 41, 50, 80, 82, 100, 164, 200, 205, 328, 400, 410, 656, 820, 1025, 1640, 2050, 3280, 4100, 8200, 12539, 16400, 25078, 50156, 62695, 100312, 125390, 200624, 250780, 313475, 501560, 514099, 626950, 1003120, 1028198, 1253900, 2056396, 2507800, 2570495, 4112792, 5015600, 5140990, 8225584, 10281980, 12852475, 20563960, 25704950, 41127920, 51409900, 102819800, 205639600]

約数ペア:

[(1, 205639600), (2, 102819800), (4, 51409900), (5, 41127920), (8, 25704950), (10, 20563960), (16, 12852475), (20, 10281980), (25, 8225584), (40, 5140990), (41, 5015600), (50, 4112792), (80, 2570495), (82, 2507800), (100, 2056396), (164, 1253900), (200, 1028198), (205, 1003120), (328, 626950), (400, 514099), (410, 501560), (656, 313475), (820, 250780), (1025, 200624), (1640, 125390), (2050, 100312), (3280, 62695), (4100, 50156), (8200, 25078), (12539, 16400)]