207819160

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{126719}}^1$

素因数の和:126771

約数の個数: 32

約数和(自身を含む): 479001600

約数和(自身を除く): 271182440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 126719, 253438, 506876, 633595, 1013752, 1267190, 2534380, 5068760, 5195479, 10390958, 20781916, 25977395, 41563832, 51954790, 103909580, 207819160]

約数ペア:

[(1, 207819160), (2, 103909580), (4, 51954790), (5, 41563832), (8, 25977395), (10, 20781916), (20, 10390958), (40, 5195479), (41, 5068760), (82, 2534380), (164, 1267190), (205, 1013752), (328, 633595), (410, 506876), (820, 253438), (1640, 126719)]