8642720

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2843}}^1$

素因数の和:2877

約数の個数: 48

約数和(自身を含む): 21500640

約数和(自身を除く): 12857920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 152, 160, 190, 304, 380, 608, 760, 1520, 2843, 3040, 5686, 11372, 14215, 22744, 28430, 45488, 54017, 56860, 90976, 108034, 113720, 216068, 227440, 270085, 432136, 454880, 540170, 864272, 1080340, 1728544, 2160680, 4321360, 8642720]

約数ペア:

[(1, 8642720), (2, 4321360), (4, 2160680), (5, 1728544), (8, 1080340), (10, 864272), (16, 540170), (19, 454880), (20, 432136), (32, 270085), (38, 227440), (40, 216068), (76, 113720), (80, 108034), (95, 90976), (152, 56860), (160, 54017), (190, 45488), (304, 28430), (380, 22744), (608, 14215), (760, 11372), (1520, 5686), (2843, 3040)]