156919120

素因数分解:

$2^4\times 5^1\times {\mathrm{1961489}}^1$

素因数の和:1961502

約数の個数: 20

約数和(自身を含む): 364837140

約数和(自身を除く): 207918020

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1961489, 3922978, 7845956, 9807445, 15691912, 19614890, 31383824, 39229780, 78459560, 156919120]

約数ペア:

[(1, 156919120), (2, 78459560), (4, 39229780), (5, 31383824), (8, 19614890), (10, 15691912), (16, 9807445), (20, 7845956), (40, 3922978), (80, 1961489)]