28809440

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{16369}}^1$

素因数の和:16395

約数の個数: 48

約数和(自身を含む): 74254320

約数和(自身を除く): 45444880

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 160, 176, 220, 352, 440, 880, 1760, 16369, 32738, 65476, 81845, 130952, 163690, 180059, 261904, 327380, 360118, 523808, 654760, 720236, 900295, 1309520, 1440472, 1800590, 2619040, 2880944, 3601180, 5761888, 7202360, 14404720, 28809440]

約数ペア:

[(1, 28809440), (2, 14404720), (4, 7202360), (5, 5761888), (8, 3601180), (10, 2880944), (11, 2619040), (16, 1800590), (20, 1440472), (22, 1309520), (32, 900295), (40, 720236), (44, 654760), (55, 523808), (80, 360118), (88, 327380), (110, 261904), (160, 180059), (176, 163690), (220, 130952), (352, 81845), (440, 65476), (880, 32738), (1760, 16369)]