56790640

素因数分解:

$2^4\times 5^1\times {\mathrm{353}}^1\times {\mathrm{2011}}^1$

素因数の和:2377

約数の個数: 40

約数和(自身を含む): 132478128

約数和(自身を除く): 75687488

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 353, 706, 1412, 1765, 2011, 2824, 3530, 4022, 5648, 7060, 8044, 10055, 14120, 16088, 20110, 28240, 32176, 40220, 80440, 160880, 709883, 1419766, 2839532, 3549415, 5679064, 7098830, 11358128, 14197660, 28395320, 56790640]

約数ペア:

[(1, 56790640), (2, 28395320), (4, 14197660), (5, 11358128), (8, 7098830), (10, 5679064), (16, 3549415), (20, 2839532), (40, 1419766), (80, 709883), (353, 160880), (706, 80440), (1412, 40220), (1765, 32176), (2011, 28240), (2824, 20110), (3530, 16088), (4022, 14120), (5648, 10055), (7060, 8044)]