866979440

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{264323}}^1$

素因数の和:264377

約数の個数: 40

約数和(自身を含む): 2064899088

約数和(自身を除く): 1197919648

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 264323, 528646, 1057292, 1321615, 2114584, 2643230, 4229168, 5286460, 10572920, 10837243, 21145840, 21674486, 43348972, 54186215, 86697944, 108372430, 173395888, 216744860, 433489720, 866979440]

約数ペア:

[(1, 866979440), (2, 433489720), (4, 216744860), (5, 173395888), (8, 108372430), (10, 86697944), (16, 54186215), (20, 43348972), (40, 21674486), (41, 21145840), (80, 10837243), (82, 10572920), (164, 5286460), (205, 4229168), (328, 2643230), (410, 2114584), (656, 1321615), (820, 1057292), (1640, 528646), (3280, 264323)]