68613760

素因数分解:

$2^7\times 5^1\times {\mathrm{107209}}^1$

素因数の和:107228

約数の個数: 32

約数和(自身を含む): 164031300

約数和(自身を除く): 95417540

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 107209, 214418, 428836, 536045, 857672, 1072090, 1715344, 2144180, 3430688, 4288360, 6861376, 8576720, 13722752, 17153440, 34306880, 68613760]

約数ペア:

[(1, 68613760), (2, 34306880), (4, 17153440), (5, 13722752), (8, 8576720), (10, 6861376), (16, 4288360), (20, 3430688), (32, 2144180), (40, 1715344), (64, 1072090), (80, 857672), (128, 536045), (160, 428836), (320, 214418), (640, 107209)]