1330797680

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{405731}}^1$

素因数の和:405785

約数の個数: 40

約数和(自身を含む): 3169578384

約数和(自身を除く): 1838780704

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 405731, 811462, 1622924, 2028655, 3245848, 4057310, 6491696, 8114620, 16229240, 16634971, 32458480, 33269942, 66539884, 83174855, 133079768, 166349710, 266159536, 332699420, 665398840, 1330797680]

約数ペア:

[(1, 1330797680), (2, 665398840), (4, 332699420), (5, 266159536), (8, 166349710), (10, 133079768), (16, 83174855), (20, 66539884), (40, 33269942), (41, 32458480), (80, 16634971), (82, 16229240), (164, 8114620), (205, 6491696), (328, 4057310), (410, 3245848), (656, 2028655), (820, 1622924), (1640, 811462), (3280, 405731)]