26615380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{311}}^1\times {\mathrm{389}}^1$

素因数の和:720

約数の個数: 48

約数和(自身を含む): 61326720

約数和(自身を除く): 34711340

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 311, 389, 622, 778, 1244, 1555, 1556, 1945, 3110, 3421, 3890, 4279, 6220, 6842, 7780, 8558, 13684, 17105, 17116, 21395, 34210, 42790, 68420, 85580, 120979, 241958, 483916, 604895, 1209790, 1330769, 2419580, 2661538, 5323076, 6653845, 13307690, 26615380]

約数ペア:

[(1, 26615380), (2, 13307690), (4, 6653845), (5, 5323076), (10, 2661538), (11, 2419580), (20, 1330769), (22, 1209790), (44, 604895), (55, 483916), (110, 241958), (220, 120979), (311, 85580), (389, 68420), (622, 42790), (778, 34210), (1244, 21395), (1555, 17116), (1556, 17105), (1945, 13684), (3110, 8558), (3421, 7780), (3890, 6842), (4279, 6220)]