20885800

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{277}}^1$

素因数の和:335

約数の個数: 96

約数和(自身を含む): 54293400

約数和(自身を除く): 33407600

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 29, 40, 50, 52, 58, 65, 100, 104, 116, 130, 145, 200, 232, 260, 277, 290, 325, 377, 520, 554, 580, 650, 725, 754, 1108, 1160, 1300, 1385, 1450, 1508, 1885, 2216, 2600, 2770, 2900, 3016, 3601, 3770, 5540, 5800, 6925, 7202, 7540, 8033, 9425, 11080, 13850, 14404, 15080, 16066, 18005, 18850, 27700, 28808, 32132, 36010, 37700, 40165, 55400, 64264, 72020, 75400, 80330, 90025, 104429, 144040, 160660, 180050, 200825, 208858, 321320, 360100, 401650, 417716, 522145, 720200, 803300, 835432, 1044290, 1606600, 2088580, 2610725, 4177160, 5221450, 10442900, 20885800]

約数ペア:

[(1, 20885800), (2, 10442900), (4, 5221450), (5, 4177160), (8, 2610725), (10, 2088580), (13, 1606600), (20, 1044290), (25, 835432), (26, 803300), (29, 720200), (40, 522145), (50, 417716), (52, 401650), (58, 360100), (65, 321320), (100, 208858), (104, 200825), (116, 180050), (130, 160660), (145, 144040), (200, 104429), (232, 90025), (260, 80330), (277, 75400), (290, 72020), (325, 64264), (377, 55400), (520, 40165), (554, 37700), (580, 36010), (650, 32132), (725, 28808), (754, 27700), (1108, 18850), (1160, 18005), (1300, 16066), (1385, 15080), (1450, 14404), (1508, 13850), (1885, 11080), (2216, 9425), (2600, 8033), (2770, 7540), (2900, 7202), (3016, 6925), (3601, 5800), (3770, 5540)]