39213880

素因数分解:

$2^3\times 5^1\times {\mathrm{503}}^1\times {\mathrm{1949}}^1$

素因数の和:2463

約数の個数: 32

約数和(自身を含む): 88452000

約数和(自身を除く): 49238120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 503, 1006, 1949, 2012, 2515, 3898, 4024, 5030, 7796, 9745, 10060, 15592, 19490, 20120, 38980, 77960, 980347, 1960694, 3921388, 4901735, 7842776, 9803470, 19606940, 39213880]

約数ペア:

[(1, 39213880), (2, 19606940), (4, 9803470), (5, 7842776), (8, 4901735), (10, 3921388), (20, 1960694), (40, 980347), (503, 77960), (1006, 38980), (1949, 20120), (2012, 19490), (2515, 15592), (3898, 10060), (4024, 9745), (5030, 7796)]