202150000

素因数分解:

$2^4\times 5^5\times {\mathrm{13}}^1\times {\mathrm{311}}^1$

素因数の和:357

約数の個数: 120

約数和(自身を含む): 528903648

約数和(自身を除く): 326753648

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 65, 80, 100, 104, 125, 130, 200, 208, 250, 260, 311, 325, 400, 500, 520, 622, 625, 650, 1000, 1040, 1244, 1250, 1300, 1555, 1625, 2000, 2488, 2500, 2600, 3110, 3125, 3250, 4043, 4976, 5000, 5200, 6220, 6250, 6500, 7775, 8086, 8125, 10000, 12440, 12500, 13000, 15550, 16172, 16250, 20215, 24880, 25000, 26000, 31100, 32344, 32500, 38875, 40430, 40625, 50000, 62200, 64688, 65000, 77750, 80860, 81250, 101075, 124400, 130000, 155500, 161720, 162500, 194375, 202150, 311000, 323440, 325000, 388750, 404300, 505375, 622000, 650000, 777500, 808600, 971875, 1010750, 1555000, 1617200, 1943750, 2021500, 2526875, 3110000, 3887500, 4043000, 5053750, 7775000, 8086000, 10107500, 12634375, 15550000, 20215000, 25268750, 40430000, 50537500, 101075000, 202150000]

約数ペア:

[(1, 202150000), (2, 101075000), (4, 50537500), (5, 40430000), (8, 25268750), (10, 20215000), (13, 15550000), (16, 12634375), (20, 10107500), (25, 8086000), (26, 7775000), (40, 5053750), (50, 4043000), (52, 3887500), (65, 3110000), (80, 2526875), (100, 2021500), (104, 1943750), (125, 1617200), (130, 1555000), (200, 1010750), (208, 971875), (250, 808600), (260, 777500), (311, 650000), (325, 622000), (400, 505375), (500, 404300), (520, 388750), (622, 325000), (625, 323440), (650, 311000), (1000, 202150), (1040, 194375), (1244, 162500), (1250, 161720), (1300, 155500), (1555, 130000), (1625, 124400), (2000, 101075), (2488, 81250), (2500, 80860), (2600, 77750), (3110, 65000), (3125, 64688), (3250, 62200), (4043, 50000), (4976, 40625), (5000, 40430), (5200, 38875), (6220, 32500), (6250, 32344), (6500, 31100), (7775, 26000), (8086, 25000), (8125, 24880), (10000, 20215), (12440, 16250), (12500, 16172), (13000, 15550)]