4991840

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{4457}}^1$

素因数の和:4479

約数の個数: 48

約数和(自身を含む): 13480992

約数和(自身を除く): 8489152

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 4457, 8914, 17828, 22285, 31199, 35656, 44570, 62398, 71312, 89140, 124796, 142624, 155995, 178280, 249592, 311990, 356560, 499184, 623980, 713120, 998368, 1247960, 2495920, 4991840]

約数ペア:

[(1, 4991840), (2, 2495920), (4, 1247960), (5, 998368), (7, 713120), (8, 623980), (10, 499184), (14, 356560), (16, 311990), (20, 249592), (28, 178280), (32, 155995), (35, 142624), (40, 124796), (56, 89140), (70, 71312), (80, 62398), (112, 44570), (140, 35656), (160, 31199), (224, 22285), (280, 17828), (560, 8914), (1120, 4457)]