2020403440

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2295913}}^1$

素因数の和:2295937

約数の個数: 40

約数和(自身を含む): 5124480048

約数和(自身を除く): 3104076608

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 2295913, 4591826, 9183652, 11479565, 18367304, 22959130, 25255043, 36734608, 45918260, 50510086, 91836520, 101020172, 126275215, 183673040, 202040344, 252550430, 404080688, 505100860, 1010201720, 2020403440]

約数ペア:

[(1, 2020403440), (2, 1010201720), (4, 505100860), (5, 404080688), (8, 252550430), (10, 202040344), (11, 183673040), (16, 126275215), (20, 101020172), (22, 91836520), (40, 50510086), (44, 45918260), (55, 36734608), (80, 25255043), (88, 22959130), (110, 18367304), (176, 11479565), (220, 9183652), (440, 4591826), (880, 2295913)]