2495920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{4457}}^1$

素因数の和:4477

約数の個数: 40

約数和(自身を含む): 6633504

約数和(自身を除く): 4137584

約数列:

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

約数ペア:

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