12259220

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{7759}}^1$

素因数の和:7847

約数の個数: 24

約数和(自身を含む): 26073600

約数和(自身を除く): 13814380

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 7759, 15518, 31036, 38795, 77590, 155180, 612961, 1225922, 2451844, 3064805, 6129610, 12259220]

約数ペア:

[(1, 12259220), (2, 6129610), (4, 3064805), (5, 2451844), (10, 1225922), (20, 612961), (79, 155180), (158, 77590), (316, 38795), (395, 31036), (790, 15518), (1580, 7759)]