84005560

素因数分解:

$2^3\times 5^1\times {\mathrm{769}}^1\times {\mathrm{2731}}^1$

素因数の和:3511

約数の個数: 32

約数和(自身を含む): 189327600

約数和(自身を除く): 105322040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 769, 1538, 2731, 3076, 3845, 5462, 6152, 7690, 10924, 13655, 15380, 21848, 27310, 30760, 54620, 109240, 2100139, 4200278, 8400556, 10500695, 16801112, 21001390, 42002780, 84005560]

約数ペア:

[(1, 84005560), (2, 42002780), (4, 21001390), (5, 16801112), (8, 10500695), (10, 8400556), (20, 4200278), (40, 2100139), (769, 109240), (1538, 54620), (2731, 30760), (3076, 27310), (3845, 21848), (5462, 15380), (6152, 13655), (7690, 10924)]