2920720

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{3319}}^1$

素因数の和:3343

約数の個数: 40

約数和(自身を含む): 7410240

約数和(自身を除く): 4489520

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 3319, 6638, 13276, 16595, 26552, 33190, 36509, 53104, 66380, 73018, 132760, 146036, 182545, 265520, 292072, 365090, 584144, 730180, 1460360, 2920720]

約数ペア:

[(1, 2920720), (2, 1460360), (4, 730180), (5, 584144), (8, 365090), (10, 292072), (11, 265520), (16, 182545), (20, 146036), (22, 132760), (40, 73018), (44, 66380), (55, 53104), (80, 36509), (88, 33190), (110, 26552), (176, 16595), (220, 13276), (440, 6638), (880, 3319)]