1285288540

素因数分解:

$2^2\times 5^1\times {\mathrm{2917}}^1\times {\mathrm{22031}}^1$

素因数の和:24957

約数の個数: 24

約数和(自身を含む): 2700153792

約数和(自身を除く): 1414865252

約数列:

[1, 2, 4, 5, 10, 20, 2917, 5834, 11668, 14585, 22031, 29170, 44062, 58340, 88124, 110155, 220310, 440620, 64264427, 128528854, 257057708, 321322135, 642644270, 1285288540]

約数ペア:

[(1, 1285288540), (2, 642644270), (4, 321322135), (5, 257057708), (10, 128528854), (20, 64264427), (2917, 440620), (5834, 220310), (11668, 110155), (14585, 88124), (22031, 58340), (29170, 44062)]