12545720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{28513}}^1$

素因数の和:28535

約数の個数: 32

約数和(自身を含む): 30795120

約数和(自身を除く): 18249400

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 28513, 57026, 114052, 142565, 228104, 285130, 313643, 570260, 627286, 1140520, 1254572, 1568215, 2509144, 3136430, 6272860, 12545720]

約数ペア:

[(1, 12545720), (2, 6272860), (4, 3136430), (5, 2509144), (8, 1568215), (10, 1254572), (11, 1140520), (20, 627286), (22, 570260), (40, 313643), (44, 285130), (55, 228104), (88, 142565), (110, 114052), (220, 57026), (440, 28513)]