71696720

素因数分解:

$2^4\times 5^1\times {\mathrm{479}}^1\times {\mathrm{1871}}^1$

素因数の和:2363

約数の個数: 40

約数和(自身を含む): 167132160

約数和(自身を除く): 95435440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 479, 958, 1871, 1916, 2395, 3742, 3832, 4790, 7484, 7664, 9355, 9580, 14968, 18710, 19160, 29936, 37420, 38320, 74840, 149680, 896209, 1792418, 3584836, 4481045, 7169672, 8962090, 14339344, 17924180, 35848360, 71696720]

約数ペア:

[(1, 71696720), (2, 35848360), (4, 17924180), (5, 14339344), (8, 8962090), (10, 7169672), (16, 4481045), (20, 3584836), (40, 1792418), (80, 896209), (479, 149680), (958, 74840), (1871, 38320), (1916, 37420), (2395, 29936), (3742, 19160), (3832, 18710), (4790, 14968), (7484, 9580), (7664, 9355)]