38689880

素因数分解:

$2^3\times 5^1\times {\mathrm{227}}^1\times {\mathrm{4261}}^1$

素因数の和:4499

約数の個数: 32

約数和(自身を含む): 87456240

約数和(自身を除く): 48766360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 227, 454, 908, 1135, 1816, 2270, 4261, 4540, 8522, 9080, 17044, 21305, 34088, 42610, 85220, 170440, 967247, 1934494, 3868988, 4836235, 7737976, 9672470, 19344940, 38689880]

約数ペア:

[(1, 38689880), (2, 19344940), (4, 9672470), (5, 7737976), (8, 4836235), (10, 3868988), (20, 1934494), (40, 967247), (227, 170440), (454, 85220), (908, 42610), (1135, 34088), (1816, 21305), (2270, 17044), (4261, 9080), (4540, 8522)]