8505040

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{2593}}^1$

素因数の和:2647

約数の個数: 40

約数和(自身を含む): 20264328

約数和(自身を除く): 11759288

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 2593, 3280, 5186, 10372, 12965, 20744, 25930, 41488, 51860, 103720, 106313, 207440, 212626, 425252, 531565, 850504, 1063130, 1701008, 2126260, 4252520, 8505040]

約数ペア:

[(1, 8505040), (2, 4252520), (4, 2126260), (5, 1701008), (8, 1063130), (10, 850504), (16, 531565), (20, 425252), (40, 212626), (41, 207440), (80, 106313), (82, 103720), (164, 51860), (205, 41488), (328, 25930), (410, 20744), (656, 12965), (820, 10372), (1640, 5186), (2593, 3280)]