38671640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{138113}}^1$

素因数の和:138131

約数の個数: 32

約数和(自身を含む): 99442080

約数和(自身を除く): 60770440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 138113, 276226, 552452, 690565, 966791, 1104904, 1381130, 1933582, 2762260, 3867164, 4833955, 5524520, 7734328, 9667910, 19335820, 38671640]

約数ペア:

[(1, 38671640), (2, 19335820), (4, 9667910), (5, 7734328), (7, 5524520), (8, 4833955), (10, 3867164), (14, 2762260), (20, 1933582), (28, 1381130), (35, 1104904), (40, 966791), (56, 690565), (70, 552452), (140, 276226), (280, 138113)]