28261760

素因数分解:

$2^7\times 5^1\times {\mathrm{44159}}^1$

素因数の和:44178

約数の個数: 32

約数和(自身を含む): 67564800

約数和(自身を除く): 39303040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 44159, 88318, 176636, 220795, 353272, 441590, 706544, 883180, 1413088, 1766360, 2826176, 3532720, 5652352, 7065440, 14130880, 28261760]

約数ペア:

[(1, 28261760), (2, 14130880), (4, 7065440), (5, 5652352), (8, 3532720), (10, 2826176), (16, 1766360), (20, 1413088), (32, 883180), (40, 706544), (64, 441590), (80, 353272), (128, 220795), (160, 176636), (320, 88318), (640, 44159)]