80077720

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{87041}}^1$

素因数の和:87075

約数の個数: 32

約数和(自身を含む): 188010720

約数和(自身を除く): 107933000

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 87041, 174082, 348164, 435205, 696328, 870410, 1740820, 2001943, 3481640, 4003886, 8007772, 10009715, 16015544, 20019430, 40038860, 80077720]

約数ペア:

[(1, 80077720), (2, 40038860), (4, 20019430), (5, 16015544), (8, 10009715), (10, 8007772), (20, 4003886), (23, 3481640), (40, 2001943), (46, 1740820), (92, 870410), (115, 696328), (184, 435205), (230, 348164), (460, 174082), (920, 87041)]