28330720

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{16097}}^1$

素因数の和:16123

約数の個数: 48

約数和(自身を含む): 73020528

約数和(自身を除く): 44689808

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, 16097, 32194, 64388, 80485, 128776, 160970, 177067, 257552, 321940, 354134, 515104, 643880, 708268, 885335, 1287760, 1416536, 1770670, 2575520, 2833072, 3541340, 5666144, 7082680, 14165360, 28330720]

約数ペア:

[(1, 28330720), (2, 14165360), (4, 7082680), (5, 5666144), (8, 3541340), (10, 2833072), (11, 2575520), (16, 1770670), (20, 1416536), (22, 1287760), (32, 885335), (40, 708268), (44, 643880), (55, 515104), (80, 354134), (88, 321940), (110, 257552), (160, 177067), (176, 160970), (220, 128776), (352, 80485), (440, 64388), (880, 32194), (1760, 16097)]