40376560

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{72101}}^1$

素因数の和:72121

約数の個数: 40

約数和(自身を含む): 107287776

約数和(自身を除く): 66911216

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 72101, 144202, 288404, 360505, 504707, 576808, 721010, 1009414, 1153616, 1442020, 2018828, 2523535, 2884040, 4037656, 5047070, 5768080, 8075312, 10094140, 20188280, 40376560]

約数ペア:

[(1, 40376560), (2, 20188280), (4, 10094140), (5, 8075312), (7, 5768080), (8, 5047070), (10, 4037656), (14, 2884040), (16, 2523535), (20, 2018828), (28, 1442020), (35, 1153616), (40, 1009414), (56, 721010), (70, 576808), (80, 504707), (112, 360505), (140, 288404), (280, 144202), (560, 72101)]