1245491440

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{379723}}^1$

素因数の和:379777

約数の個数: 40

約数和(自身を含む): 2966403888

約数和(自身を除く): 1720912448

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 379723, 759446, 1518892, 1898615, 3037784, 3797230, 6075568, 7594460, 15188920, 15568643, 30377840, 31137286, 62274572, 77843215, 124549144, 155686430, 249098288, 311372860, 622745720, 1245491440]

約数ペア:

[(1, 1245491440), (2, 622745720), (4, 311372860), (5, 249098288), (8, 155686430), (10, 124549144), (16, 77843215), (20, 62274572), (40, 31137286), (41, 30377840), (80, 15568643), (82, 15188920), (164, 7594460), (205, 6075568), (328, 3797230), (410, 3037784), (656, 1898615), (820, 1518892), (1640, 759446), (3280, 379723)]