39640520

素因数分解:

$2^3\times 5^1\times {\mathrm{151}}^1\times {\mathrm{6563}}^1$

素因数の和:6725

約数の個数: 32

約数和(自身を含む): 89795520

約数和(自身を除く): 50155000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 151, 302, 604, 755, 1208, 1510, 3020, 6040, 6563, 13126, 26252, 32815, 52504, 65630, 131260, 262520, 991013, 1982026, 3964052, 4955065, 7928104, 9910130, 19820260, 39640520]

約数ペア:

[(1, 39640520), (2, 19820260), (4, 9910130), (5, 7928104), (8, 4955065), (10, 3964052), (20, 1982026), (40, 991013), (151, 262520), (302, 131260), (604, 65630), (755, 52504), (1208, 32815), (1510, 26252), (3020, 13126), (6040, 6563)]