128734600

素因数分解:

$2^3\times 5^2\times {\mathrm{101}}^1\times {\mathrm{6373}}^1$

素因数の和:6490

約数の個数: 48

約数和(自身を含む): 302318820

約数和(自身を除く): 173584220

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 101, 200, 202, 404, 505, 808, 1010, 2020, 2525, 4040, 5050, 6373, 10100, 12746, 20200, 25492, 31865, 50984, 63730, 127460, 159325, 254920, 318650, 637300, 643673, 1274600, 1287346, 2574692, 3218365, 5149384, 6436730, 12873460, 16091825, 25746920, 32183650, 64367300, 128734600]

約数ペア:

[(1, 128734600), (2, 64367300), (4, 32183650), (5, 25746920), (8, 16091825), (10, 12873460), (20, 6436730), (25, 5149384), (40, 3218365), (50, 2574692), (100, 1287346), (101, 1274600), (200, 643673), (202, 637300), (404, 318650), (505, 254920), (808, 159325), (1010, 127460), (2020, 63730), (2525, 50984), (4040, 31865), (5050, 25492), (6373, 20200), (10100, 12746)]