81106340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{579331}}^1$

素因数の和:579347

約数の個数: 24

約数和(自身を含む): 194655552

約数和(自身を除く): 113549212

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 579331, 1158662, 2317324, 2896655, 4055317, 5793310, 8110634, 11586620, 16221268, 20276585, 40553170, 81106340]

約数ペア:

[(1, 81106340), (2, 40553170), (4, 20276585), (5, 16221268), (7, 11586620), (10, 8110634), (14, 5793310), (20, 4055317), (28, 2896655), (35, 2317324), (70, 1158662), (140, 579331)]