30903220

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{19559}}^1$

素因数の和:19647

約数の個数: 24

約数和(自身を含む): 65721600

約数和(自身を除く): 34818380

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 19559, 39118, 78236, 97795, 195590, 391180, 1545161, 3090322, 6180644, 7725805, 15451610, 30903220]

約数ペア:

[(1, 30903220), (2, 15451610), (4, 7725805), (5, 6180644), (10, 3090322), (20, 1545161), (79, 391180), (158, 195590), (316, 97795), (395, 78236), (790, 39118), (1580, 19559)]