129066880

素因数分解:

$2^7\times 5^1\times {\mathrm{201667}}^1$

素因数の和:201686

約数の個数: 32

約数和(自身を含む): 308552040

約数和(自身を除く): 179485160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 201667, 403334, 806668, 1008335, 1613336, 2016670, 3226672, 4033340, 6453344, 8066680, 12906688, 16133360, 25813376, 32266720, 64533440, 129066880]

約数ペア:

[(1, 129066880), (2, 64533440), (4, 32266720), (5, 25813376), (8, 16133360), (10, 12906688), (16, 8066680), (20, 6453344), (32, 4033340), (40, 3226672), (64, 2016670), (80, 1613336), (128, 1008335), (160, 806668), (320, 403334), (640, 201667)]