20181029600

素因数分解:

$2^5\times 5^2\times {\mathrm{1531}}^1\times {\mathrm{16477}}^1$

素因数の和:18028

約数の個数: 72

約数和(自身を含む): 49302110088

約数和(自身を除く): 29121080488

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 200, 400, 800, 1531, 3062, 6124, 7655, 12248, 15310, 16477, 24496, 30620, 32954, 38275, 48992, 61240, 65908, 76550, 82385, 122480, 131816, 153100, 164770, 244960, 263632, 306200, 329540, 411925, 527264, 612400, 659080, 823850, 1224800, 1318160, 1647700, 2636320, 3295400, 6590800, 13181600, 25226287, 50452574, 100905148, 126131435, 201810296, 252262870, 403620592, 504525740, 630657175, 807241184, 1009051480, 1261314350, 2018102960, 2522628700, 4036205920, 5045257400, 10090514800, 20181029600]

約数ペア:

[(1, 20181029600), (2, 10090514800), (4, 5045257400), (5, 4036205920), (8, 2522628700), (10, 2018102960), (16, 1261314350), (20, 1009051480), (25, 807241184), (32, 630657175), (40, 504525740), (50, 403620592), (80, 252262870), (100, 201810296), (160, 126131435), (200, 100905148), (400, 50452574), (800, 25226287), (1531, 13181600), (3062, 6590800), (6124, 3295400), (7655, 2636320), (12248, 1647700), (15310, 1318160), (16477, 1224800), (24496, 823850), (30620, 659080), (32954, 612400), (38275, 527264), (48992, 411925), (61240, 329540), (65908, 306200), (76550, 263632), (82385, 244960), (122480, 164770), (131816, 153100)]