1177221520

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{358909}}^1$

素因数の和:358963

約数の個数: 40

約数和(自身を含む): 2803804920

約数和(自身を除く): 1626583400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 358909, 717818, 1435636, 1794545, 2871272, 3589090, 5742544, 7178180, 14356360, 14715269, 28712720, 29430538, 58861076, 73576345, 117722152, 147152690, 235444304, 294305380, 588610760, 1177221520]

約数ペア:

[(1, 1177221520), (2, 588610760), (4, 294305380), (5, 235444304), (8, 147152690), (10, 117722152), (16, 73576345), (20, 58861076), (40, 29430538), (41, 28712720), (80, 14715269), (82, 14356360), (164, 7178180), (205, 5742544), (328, 3589090), (410, 2871272), (656, 1794545), (820, 1435636), (1640, 717818), (3280, 358909)]