12908750

素因数分解:

$2^1\times 5^4\times {\mathrm{23}}^1\times {\mathrm{449}}^1$

素因数の和:494

約数の個数: 40

約数和(自身を含む): 25304400

約数和(自身を除く): 12395650

約数列:

[1, 2, 5, 10, 23, 25, 46, 50, 115, 125, 230, 250, 449, 575, 625, 898, 1150, 1250, 2245, 2875, 4490, 5750, 10327, 11225, 14375, 20654, 22450, 28750, 51635, 56125, 103270, 112250, 258175, 280625, 516350, 561250, 1290875, 2581750, 6454375, 12908750]

約数ペア:

[(1, 12908750), (2, 6454375), (5, 2581750), (10, 1290875), (23, 561250), (25, 516350), (46, 280625), (50, 258175), (115, 112250), (125, 103270), (230, 56125), (250, 51635), (449, 28750), (575, 22450), (625, 20654), (898, 14375), (1150, 11225), (1250, 10327), (2245, 5750), (2875, 4490)]