69604880

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{21221}}^1$

素因数の和:21275

約数の個数: 40

約数和(自身を含む): 165786264

約数和(自身を除く): 96181384

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 21221, 42442, 84884, 106105, 169768, 212210, 339536, 424420, 848840, 870061, 1697680, 1740122, 3480244, 4350305, 6960488, 8700610, 13920976, 17401220, 34802440, 69604880]

約数ペア:

[(1, 69604880), (2, 34802440), (4, 17401220), (5, 13920976), (8, 8700610), (10, 6960488), (16, 4350305), (20, 3480244), (40, 1740122), (41, 1697680), (80, 870061), (82, 848840), (164, 424420), (205, 339536), (328, 212210), (410, 169768), (656, 106105), (820, 84884), (1640, 42442), (3280, 21221)]