81475600

素因数分解:

$2^4\times 5^2\times {\mathrm{347}}^1\times {\mathrm{587}}^1$

素因数の和:952

約数の個数: 60

約数和(自身を含む): 196643664

約数和(自身を除く): 115168064

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 347, 400, 587, 694, 1174, 1388, 1735, 2348, 2776, 2935, 3470, 4696, 5552, 5870, 6940, 8675, 9392, 11740, 13880, 14675, 17350, 23480, 27760, 29350, 34700, 46960, 58700, 69400, 117400, 138800, 203689, 234800, 407378, 814756, 1018445, 1629512, 2036890, 3259024, 4073780, 5092225, 8147560, 10184450, 16295120, 20368900, 40737800, 81475600]

約数ペア:

[(1, 81475600), (2, 40737800), (4, 20368900), (5, 16295120), (8, 10184450), (10, 8147560), (16, 5092225), (20, 4073780), (25, 3259024), (40, 2036890), (50, 1629512), (80, 1018445), (100, 814756), (200, 407378), (347, 234800), (400, 203689), (587, 138800), (694, 117400), (1174, 69400), (1388, 58700), (1735, 46960), (2348, 34700), (2776, 29350), (2935, 27760), (3470, 23480), (4696, 17350), (5552, 14675), (5870, 13880), (6940, 11740), (8675, 9392)]