4080800

素因数分解:

$2^5\times 5^2\times {\mathrm{5101}}^1$

素因数の和:5121

約数の個数: 36

約数和(自身を含む): 9964206

約数和(自身を除く): 5883406

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 200, 400, 800, 5101, 10202, 20404, 25505, 40808, 51010, 81616, 102020, 127525, 163232, 204040, 255050, 408080, 510100, 816160, 1020200, 2040400, 4080800]

約数ペア:

[(1, 4080800), (2, 2040400), (4, 1020200), (5, 816160), (8, 510100), (10, 408080), (16, 255050), (20, 204040), (25, 163232), (32, 127525), (40, 102020), (50, 81616), (80, 51010), (100, 40808), (160, 25505), (200, 20404), (400, 10202), (800, 5101)]