153940880

素因数分解:

$2^4\times 5^1\times {\mathrm{1924261}}^1$

素因数の和:1924274

約数の個数: 20

約数和(自身を含む): 357912732

約数和(自身を除く): 203971852

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1924261, 3848522, 7697044, 9621305, 15394088, 19242610, 30788176, 38485220, 76970440, 153940880]

約数ペア:

[(1, 153940880), (2, 76970440), (4, 38485220), (5, 30788176), (8, 19242610), (10, 15394088), (16, 9621305), (20, 7697044), (40, 3848522), (80, 1924261)]