66890800

素因数分解:

$2^4\times 5^2\times {\mathrm{43}}^1\times {\mathrm{3889}}^1$

素因数の和:3950

約数の個数: 60

約数和(自身を含む): 164484760

約数和(自身を除く): 97593960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 43, 50, 80, 86, 100, 172, 200, 215, 344, 400, 430, 688, 860, 1075, 1720, 2150, 3440, 3889, 4300, 7778, 8600, 15556, 17200, 19445, 31112, 38890, 62224, 77780, 97225, 155560, 167227, 194450, 311120, 334454, 388900, 668908, 777800, 836135, 1337816, 1555600, 1672270, 2675632, 3344540, 4180675, 6689080, 8361350, 13378160, 16722700, 33445400, 66890800]

約数ペア:

[(1, 66890800), (2, 33445400), (4, 16722700), (5, 13378160), (8, 8361350), (10, 6689080), (16, 4180675), (20, 3344540), (25, 2675632), (40, 1672270), (43, 1555600), (50, 1337816), (80, 836135), (86, 777800), (100, 668908), (172, 388900), (200, 334454), (215, 311120), (344, 194450), (400, 167227), (430, 155560), (688, 97225), (860, 77780), (1075, 62224), (1720, 38890), (2150, 31112), (3440, 19445), (3889, 17200), (4300, 15556), (7778, 8600)]