28315840

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{12641}}^1$

素因数の和:12665

約数の個数: 56

約数和(自身を含む): 77065632

約数和(自身を除く): 48749792

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 224, 280, 320, 448, 560, 1120, 2240, 12641, 25282, 50564, 63205, 88487, 101128, 126410, 176974, 202256, 252820, 353948, 404512, 442435, 505640, 707896, 809024, 884870, 1011280, 1415792, 1769740, 2022560, 2831584, 3539480, 4045120, 5663168, 7078960, 14157920, 28315840]

約数ペア:

[(1, 28315840), (2, 14157920), (4, 7078960), (5, 5663168), (7, 4045120), (8, 3539480), (10, 2831584), (14, 2022560), (16, 1769740), (20, 1415792), (28, 1011280), (32, 884870), (35, 809024), (40, 707896), (56, 505640), (64, 442435), (70, 404512), (80, 353948), (112, 252820), (140, 202256), (160, 176974), (224, 126410), (280, 101128), (320, 88487), (448, 63205), (560, 50564), (1120, 25282), (2240, 12641)]