80500

素因数分解:

$2^2\times 5^3\times 7^1\times {\mathrm{23}}^1$

素因数の和:49

約数の個数: 48

約数和(自身を含む): 209664

約数和(自身を除く): 129164

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 25, 28, 35, 46, 50, 70, 92, 100, 115, 125, 140, 161, 175, 230, 250, 322, 350, 460, 500, 575, 644, 700, 805, 875, 1150, 1610, 1750, 2300, 2875, 3220, 3500, 4025, 5750, 8050, 11500, 16100, 20125, 40250, 80500]

約数ペア:

[(1, 80500), (2, 40250), (4, 20125), (5, 16100), (7, 11500), (10, 8050), (14, 5750), (20, 4025), (23, 3500), (25, 3220), (28, 2875), (35, 2300), (46, 1750), (50, 1610), (70, 1150), (92, 875), (100, 805), (115, 700), (125, 644), (140, 575), (161, 500), (175, 460), (230, 350), (250, 322)]