13851440

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^2\times {\mathrm{103}}^1$

素因数の和:198

約数の個数: 60

約数和(自身を含む): 33329712

約数和(自身を除く): 19478272

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 103, 164, 205, 206, 328, 410, 412, 515, 656, 820, 824, 1030, 1640, 1648, 1681, 2060, 3280, 3362, 4120, 4223, 6724, 8240, 8405, 8446, 13448, 16810, 16892, 21115, 26896, 33620, 33784, 42230, 67240, 67568, 84460, 134480, 168920, 173143, 337840, 346286, 692572, 865715, 1385144, 1731430, 2770288, 3462860, 6925720, 13851440]

約数ペア:

[(1, 13851440), (2, 6925720), (4, 3462860), (5, 2770288), (8, 1731430), (10, 1385144), (16, 865715), (20, 692572), (40, 346286), (41, 337840), (80, 173143), (82, 168920), (103, 134480), (164, 84460), (205, 67568), (206, 67240), (328, 42230), (410, 33784), (412, 33620), (515, 26896), (656, 21115), (820, 16892), (824, 16810), (1030, 13448), (1640, 8446), (1648, 8405), (1681, 8240), (2060, 6724), (3280, 4223), (3362, 4120)]