80668600

素因数分解:

$2^3\times 5^2\times {\mathrm{149}}^1\times {\mathrm{2707}}^1$

素因数の和:2872

約数の個数: 48

約数和(自身を含む): 188883000

約数和(自身を除く): 108214400

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 149, 200, 298, 596, 745, 1192, 1490, 2707, 2980, 3725, 5414, 5960, 7450, 10828, 13535, 14900, 21656, 27070, 29800, 54140, 67675, 108280, 135350, 270700, 403343, 541400, 806686, 1613372, 2016715, 3226744, 4033430, 8066860, 10083575, 16133720, 20167150, 40334300, 80668600]

約数ペア:

[(1, 80668600), (2, 40334300), (4, 20167150), (5, 16133720), (8, 10083575), (10, 8066860), (20, 4033430), (25, 3226744), (40, 2016715), (50, 1613372), (100, 806686), (149, 541400), (200, 403343), (298, 270700), (596, 135350), (745, 108280), (1192, 67675), (1490, 54140), (2707, 29800), (2980, 27070), (3725, 21656), (5414, 14900), (5960, 13535), (7450, 10828)]