71184800

素因数分解:

$2^5\times 5^2\times {\mathrm{101}}^1\times {\mathrm{881}}^1$

素因数の和:1002

約数の個数: 72

約数和(自身を含む): 175699692

約数和(自身を除く): 104514892

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 101, 160, 200, 202, 400, 404, 505, 800, 808, 881, 1010, 1616, 1762, 2020, 2525, 3232, 3524, 4040, 4405, 5050, 7048, 8080, 8810, 10100, 14096, 16160, 17620, 20200, 22025, 28192, 35240, 40400, 44050, 70480, 80800, 88100, 88981, 140960, 176200, 177962, 352400, 355924, 444905, 704800, 711848, 889810, 1423696, 1779620, 2224525, 2847392, 3559240, 4449050, 7118480, 8898100, 14236960, 17796200, 35592400, 71184800]

約数ペア:

[(1, 71184800), (2, 35592400), (4, 17796200), (5, 14236960), (8, 8898100), (10, 7118480), (16, 4449050), (20, 3559240), (25, 2847392), (32, 2224525), (40, 1779620), (50, 1423696), (80, 889810), (100, 711848), (101, 704800), (160, 444905), (200, 355924), (202, 352400), (400, 177962), (404, 176200), (505, 140960), (800, 88981), (808, 88100), (881, 80800), (1010, 70480), (1616, 44050), (1762, 40400), (2020, 35240), (2525, 28192), (3232, 22025), (3524, 20200), (4040, 17620), (4405, 16160), (5050, 14096), (7048, 10100), (8080, 8810)]