72025120

素因数分解:

$2^5\times 5^1\times {\mathrm{101}}^1\times {\mathrm{4457}}^1$

素因数の和:4573

約数の個数: 48

約数和(自身を含む): 171882648

約数和(自身を除く): 99857528

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 101, 160, 202, 404, 505, 808, 1010, 1616, 2020, 3232, 4040, 4457, 8080, 8914, 16160, 17828, 22285, 35656, 44570, 71312, 89140, 142624, 178280, 356560, 450157, 713120, 900314, 1800628, 2250785, 3601256, 4501570, 7202512, 9003140, 14405024, 18006280, 36012560, 72025120]

約数ペア:

[(1, 72025120), (2, 36012560), (4, 18006280), (5, 14405024), (8, 9003140), (10, 7202512), (16, 4501570), (20, 3601256), (32, 2250785), (40, 1800628), (80, 900314), (101, 713120), (160, 450157), (202, 356560), (404, 178280), (505, 142624), (808, 89140), (1010, 71312), (1616, 44570), (2020, 35656), (3232, 22285), (4040, 17828), (4457, 16160), (8080, 8914)]