215534120

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{68207}}^1$

素因数の和:68297

約数の個数: 32

約数和(自身を含む): 491097600

約数和(自身を除く): 275563480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 3160, 68207, 136414, 272828, 341035, 545656, 682070, 1364140, 2728280, 5388353, 10776706, 21553412, 26941765, 43106824, 53883530, 107767060, 215534120]

約数ペア:

[(1, 215534120), (2, 107767060), (4, 53883530), (5, 43106824), (8, 26941765), (10, 21553412), (20, 10776706), (40, 5388353), (79, 2728280), (158, 1364140), (316, 682070), (395, 545656), (632, 341035), (790, 272828), (1580, 136414), (3160, 68207)]