2838160

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2729}}^1$

素因数の和:2755

約数の個数: 40

約数和(自身を含む): 7108920

約数和(自身を除く): 4270760

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 2729, 5458, 10916, 13645, 21832, 27290, 35477, 43664, 54580, 70954, 109160, 141908, 177385, 218320, 283816, 354770, 567632, 709540, 1419080, 2838160]

約数ペア:

[(1, 2838160), (2, 1419080), (4, 709540), (5, 567632), (8, 354770), (10, 283816), (13, 218320), (16, 177385), (20, 141908), (26, 109160), (40, 70954), (52, 54580), (65, 43664), (80, 35477), (104, 27290), (130, 21832), (208, 13645), (260, 10916), (520, 5458), (1040, 2729)]