12775720

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{10303}}^1$

素因数の和:10345

約数の個数: 32

約数和(自身を含む): 29675520

約数和(自身を除く): 16899800

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 10303, 20606, 41212, 51515, 82424, 103030, 206060, 319393, 412120, 638786, 1277572, 1596965, 2555144, 3193930, 6387860, 12775720]

約数ペア:

[(1, 12775720), (2, 6387860), (4, 3193930), (5, 2555144), (8, 1596965), (10, 1277572), (20, 638786), (31, 412120), (40, 319393), (62, 206060), (124, 103030), (155, 82424), (248, 51515), (310, 41212), (620, 20606), (1240, 10303)]