28484720

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{32369}}^1$

素因数の和:32393

約数の個数: 40

約数和(自身を含む): 72249840

約数和(自身を除く): 43765120

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 32369, 64738, 129476, 161845, 258952, 323690, 356059, 517904, 647380, 712118, 1294760, 1424236, 1780295, 2589520, 2848472, 3560590, 5696944, 7121180, 14242360, 28484720]

約数ペア:

[(1, 28484720), (2, 14242360), (4, 7121180), (5, 5696944), (8, 3560590), (10, 2848472), (11, 2589520), (16, 1780295), (20, 1424236), (22, 1294760), (40, 712118), (44, 647380), (55, 517904), (80, 356059), (88, 323690), (110, 258952), (176, 161845), (220, 129476), (440, 64738), (880, 32369)]