8201380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{3389}}^1$

素因数の和:3420

約数の個数: 36

約数和(自身を含む): 18936540

約数和(自身を除く): 10735160

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420, 3389, 6778, 13556, 16945, 33890, 37279, 67780, 74558, 149116, 186395, 372790, 410069, 745580, 820138, 1640276, 2050345, 4100690, 8201380]

約数ペア:

[(1, 8201380), (2, 4100690), (4, 2050345), (5, 1640276), (10, 820138), (11, 745580), (20, 410069), (22, 372790), (44, 186395), (55, 149116), (110, 74558), (121, 67780), (220, 37279), (242, 33890), (484, 16945), (605, 13556), (1210, 6778), (2420, 3389)]