28197760

素因数分解:

$2^7\times 5^1\times {\mathrm{44059}}^1$

素因数の和:44078

約数の個数: 32

約数和(自身を含む): 67411800

約数和(自身を除く): 39214040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 44059, 88118, 176236, 220295, 352472, 440590, 704944, 881180, 1409888, 1762360, 2819776, 3524720, 5639552, 7049440, 14098880, 28197760]

約数ペア:

[(1, 28197760), (2, 14098880), (4, 7049440), (5, 5639552), (8, 3524720), (10, 2819776), (16, 1762360), (20, 1409888), (32, 881180), (40, 704944), (64, 440590), (80, 352472), (128, 220295), (160, 176236), (320, 88118), (640, 44059)]