139209760

素因数分解:

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

素因数の和:21277

約数の個数: 48

約数和(自身を含む): 336920472

約数和(自身を除く): 197710712

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 80, 82, 160, 164, 205, 328, 410, 656, 820, 1312, 1640, 3280, 6560, 21221, 42442, 84884, 106105, 169768, 212210, 339536, 424420, 679072, 848840, 870061, 1697680, 1740122, 3395360, 3480244, 4350305, 6960488, 8700610, 13920976, 17401220, 27841952, 34802440, 69604880, 139209760]

約数ペア:

[(1, 139209760), (2, 69604880), (4, 34802440), (5, 27841952), (8, 17401220), (10, 13920976), (16, 8700610), (20, 6960488), (32, 4350305), (40, 3480244), (41, 3395360), (80, 1740122), (82, 1697680), (160, 870061), (164, 848840), (205, 679072), (328, 424420), (410, 339536), (656, 212210), (820, 169768), (1312, 106105), (1640, 84884), (3280, 42442), (6560, 21221)]