100668080

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{643}}^1$

素因数の和:778

約数の個数: 80

約数和(自身を含む): 249150720

約数和(自身を除く): 148482640

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 103, 152, 190, 206, 304, 380, 412, 515, 643, 760, 824, 1030, 1286, 1520, 1648, 1957, 2060, 2572, 3215, 3914, 4120, 5144, 6430, 7828, 8240, 9785, 10288, 12217, 12860, 15656, 19570, 24434, 25720, 31312, 39140, 48868, 51440, 61085, 66229, 78280, 97736, 122170, 132458, 156560, 195472, 244340, 264916, 331145, 488680, 529832, 662290, 977360, 1059664, 1258351, 1324580, 2516702, 2649160, 5033404, 5298320, 6291755, 10066808, 12583510, 20133616, 25167020, 50334040, 100668080]

約数ペア:

[(1, 100668080), (2, 50334040), (4, 25167020), (5, 20133616), (8, 12583510), (10, 10066808), (16, 6291755), (19, 5298320), (20, 5033404), (38, 2649160), (40, 2516702), (76, 1324580), (80, 1258351), (95, 1059664), (103, 977360), (152, 662290), (190, 529832), (206, 488680), (304, 331145), (380, 264916), (412, 244340), (515, 195472), (643, 156560), (760, 132458), (824, 122170), (1030, 97736), (1286, 78280), (1520, 66229), (1648, 61085), (1957, 51440), (2060, 48868), (2572, 39140), (3215, 31312), (3914, 25720), (4120, 24434), (5144, 19570), (6430, 15656), (7828, 12860), (8240, 12217), (9785, 10288)]