31004877320

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{18905413}}^1$

素因数の和:18905465

約数の個数: 32

約数和(自身を含む): 71462464920

約数和(自身を除く): 40457587600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 18905413, 37810826, 75621652, 94527065, 151243304, 189054130, 378108260, 756216520, 775121933, 1550243866, 3100487732, 3875609665, 6200975464, 7751219330, 15502438660, 31004877320]

約数ペア:

[(1, 31004877320), (2, 15502438660), (4, 7751219330), (5, 6200975464), (8, 3875609665), (10, 3100487732), (20, 1550243866), (40, 775121933), (41, 756216520), (82, 378108260), (164, 189054130), (205, 151243304), (328, 94527065), (410, 75621652), (820, 37810826), (1640, 18905413)]