38939720

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^2\times {\mathrm{1013}}^1$

素因数の和:1086

約数の個数: 48

約数和(自身を含む): 90621180

約数和(自身を除く): 51681460

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 961, 1013, 1240, 1922, 2026, 3844, 4052, 4805, 5065, 7688, 8104, 9610, 10130, 19220, 20260, 31403, 38440, 40520, 62806, 125612, 157015, 251224, 314030, 628060, 973493, 1256120, 1946986, 3893972, 4867465, 7787944, 9734930, 19469860, 38939720]

約数ペア:

[(1, 38939720), (2, 19469860), (4, 9734930), (5, 7787944), (8, 4867465), (10, 3893972), (20, 1946986), (31, 1256120), (40, 973493), (62, 628060), (124, 314030), (155, 251224), (248, 157015), (310, 125612), (620, 62806), (961, 40520), (1013, 38440), (1240, 31403), (1922, 20260), (2026, 19220), (3844, 10130), (4052, 9610), (4805, 8104), (5065, 7688)]