38717720

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{13633}}^1$

素因数の和:13715

約数の個数: 32

約数和(自身を含む): 88348320

約数和(自身を除く): 49630600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 13633, 27266, 54532, 68165, 109064, 136330, 272660, 545320, 967943, 1935886, 3871772, 4839715, 7743544, 9679430, 19358860, 38717720]

約数ペア:

[(1, 38717720), (2, 19358860), (4, 9679430), (5, 7743544), (8, 4839715), (10, 3871772), (20, 1935886), (40, 967943), (71, 545320), (142, 272660), (284, 136330), (355, 109064), (568, 68165), (710, 54532), (1420, 27266), (2840, 13633)]