155592040

素因数分解:

$2^3\times 5^1\times {\mathrm{3889801}}^1$

素因数の和:3889812

約数の個数: 16

約数和(自身を含む): 350082180

約数和(自身を除く): 194490140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3889801, 7779602, 15559204, 19449005, 31118408, 38898010, 77796020, 155592040]

約数ペア:

[(1, 155592040), (2, 77796020), (4, 38898010), (5, 31118408), (8, 19449005), (10, 15559204), (20, 7779602), (40, 3889801)]