84072400

素因数分解:

$2^4\times 5^2\times {\mathrm{101}}^1\times {\mathrm{2081}}^1$

素因数の和:2200

約数の個数: 60

約数和(自身を含む): 204081804

約数和(自身を除く): 120009404

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 101, 200, 202, 400, 404, 505, 808, 1010, 1616, 2020, 2081, 2525, 4040, 4162, 5050, 8080, 8324, 10100, 10405, 16648, 20200, 20810, 33296, 40400, 41620, 52025, 83240, 104050, 166480, 208100, 210181, 416200, 420362, 832400, 840724, 1050905, 1681448, 2101810, 3362896, 4203620, 5254525, 8407240, 10509050, 16814480, 21018100, 42036200, 84072400]

約数ペア:

[(1, 84072400), (2, 42036200), (4, 21018100), (5, 16814480), (8, 10509050), (10, 8407240), (16, 5254525), (20, 4203620), (25, 3362896), (40, 2101810), (50, 1681448), (80, 1050905), (100, 840724), (101, 832400), (200, 420362), (202, 416200), (400, 210181), (404, 208100), (505, 166480), (808, 104050), (1010, 83240), (1616, 52025), (2020, 41620), (2081, 40400), (2525, 33296), (4040, 20810), (4162, 20200), (5050, 16648), (8080, 10405), (8324, 10100)]