8450920

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{5153}}^1$

素因数の和:5205

約数の個数: 32

約数和(自身を含む): 19482120

約数和(自身を除く): 11031200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 5153, 10306, 20612, 25765, 41224, 51530, 103060, 206120, 211273, 422546, 845092, 1056365, 1690184, 2112730, 4225460, 8450920]

約数ペア:

[(1, 8450920), (2, 4225460), (4, 2112730), (5, 1690184), (8, 1056365), (10, 845092), (20, 422546), (40, 211273), (41, 206120), (82, 103060), (164, 51530), (205, 41224), (328, 25765), (410, 20612), (820, 10306), (1640, 5153)]