2012590000

素因数分解:

$2^4\times 5^4\times {\mathrm{313}}^1\times {\mathrm{643}}^1$

素因数の和:984

約数の個数: 100

約数和(自身を含む): 4895851576

約数和(自身を除く): 2883261576

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 313, 400, 500, 625, 626, 643, 1000, 1250, 1252, 1286, 1565, 2000, 2500, 2504, 2572, 3130, 3215, 5000, 5008, 5144, 6260, 6430, 7825, 10000, 10288, 12520, 12860, 15650, 16075, 25040, 25720, 31300, 32150, 39125, 51440, 62600, 64300, 78250, 80375, 125200, 128600, 156500, 160750, 195625, 201259, 257200, 313000, 321500, 391250, 401875, 402518, 626000, 643000, 782500, 803750, 805036, 1006295, 1286000, 1565000, 1607500, 1610072, 2012590, 3130000, 3215000, 3220144, 4025180, 5031475, 6430000, 8050360, 10062950, 16100720, 20125900, 25157375, 40251800, 50314750, 80503600, 100629500, 125786875, 201259000, 251573750, 402518000, 503147500, 1006295000, 2012590000]

約数ペア:

[(1, 2012590000), (2, 1006295000), (4, 503147500), (5, 402518000), (8, 251573750), (10, 201259000), (16, 125786875), (20, 100629500), (25, 80503600), (40, 50314750), (50, 40251800), (80, 25157375), (100, 20125900), (125, 16100720), (200, 10062950), (250, 8050360), (313, 6430000), (400, 5031475), (500, 4025180), (625, 3220144), (626, 3215000), (643, 3130000), (1000, 2012590), (1250, 1610072), (1252, 1607500), (1286, 1565000), (1565, 1286000), (2000, 1006295), (2500, 805036), (2504, 803750), (2572, 782500), (3130, 643000), (3215, 626000), (5000, 402518), (5008, 401875), (5144, 391250), (6260, 321500), (6430, 313000), (7825, 257200), (10000, 201259), (10288, 195625), (12520, 160750), (12860, 156500), (15650, 128600), (16075, 125200), (25040, 80375), (25720, 78250), (31300, 64300), (32150, 62600), (39125, 51440)]