69939440

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{21323}}^1$

素因数の和:21377

約数の個数: 40

約数和(自身を含む): 166583088

約数和(自身を除く): 96643648

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 21323, 42646, 85292, 106615, 170584, 213230, 341168, 426460, 852920, 874243, 1705840, 1748486, 3496972, 4371215, 6993944, 8742430, 13987888, 17484860, 34969720, 69939440]

約数ペア:

[(1, 69939440), (2, 34969720), (4, 17484860), (5, 13987888), (8, 8742430), (10, 6993944), (16, 4371215), (20, 3496972), (40, 1748486), (41, 1705840), (80, 874243), (82, 852920), (164, 426460), (205, 341168), (328, 213230), (410, 170584), (656, 106615), (820, 85292), (1640, 42646), (3280, 21323)]