1810280

素因数分解:

$2^3\times 5^1\times {\mathrm{167}}^1\times {\mathrm{271}}^1$

素因数の和:449

約数の個数: 32

約数和(自身を含む): 4112640

約数和(自身を除く): 2302360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 167, 271, 334, 542, 668, 835, 1084, 1336, 1355, 1670, 2168, 2710, 3340, 5420, 6680, 10840, 45257, 90514, 181028, 226285, 362056, 452570, 905140, 1810280]

約数ペア:

[(1, 1810280), (2, 905140), (4, 452570), (5, 362056), (8, 226285), (10, 181028), (20, 90514), (40, 45257), (167, 10840), (271, 6680), (334, 5420), (542, 3340), (668, 2710), (835, 2168), (1084, 1670), (1336, 1355)]