19694800

素因数分解:

$2^4\times 5^2\times {\mathrm{53}}^1\times {\mathrm{929}}^1$

素因数の和:1000

約数の個数: 60

約数和(自身を含む): 48261420

約数和(自身を除く): 28566620

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 53, 80, 100, 106, 200, 212, 265, 400, 424, 530, 848, 929, 1060, 1325, 1858, 2120, 2650, 3716, 4240, 4645, 5300, 7432, 9290, 10600, 14864, 18580, 21200, 23225, 37160, 46450, 49237, 74320, 92900, 98474, 185800, 196948, 246185, 371600, 393896, 492370, 787792, 984740, 1230925, 1969480, 2461850, 3938960, 4923700, 9847400, 19694800]

約数ペア:

[(1, 19694800), (2, 9847400), (4, 4923700), (5, 3938960), (8, 2461850), (10, 1969480), (16, 1230925), (20, 984740), (25, 787792), (40, 492370), (50, 393896), (53, 371600), (80, 246185), (100, 196948), (106, 185800), (200, 98474), (212, 92900), (265, 74320), (400, 49237), (424, 46450), (530, 37160), (848, 23225), (929, 21200), (1060, 18580), (1325, 14864), (1858, 10600), (2120, 9290), (2650, 7432), (3716, 5300), (4240, 4645)]