28088560

素因数分解:

$2^4\times 5^1\times {\mathrm{479}}^1\times {\mathrm{733}}^1$

素因数の和:1225

約数の個数: 40

約数和(自身を含む): 65531520

約数和(自身を除く): 37442960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 479, 733, 958, 1466, 1916, 2395, 2932, 3665, 3832, 4790, 5864, 7330, 7664, 9580, 11728, 14660, 19160, 29320, 38320, 58640, 351107, 702214, 1404428, 1755535, 2808856, 3511070, 5617712, 7022140, 14044280, 28088560]

約数ペア:

[(1, 28088560), (2, 14044280), (4, 7022140), (5, 5617712), (8, 3511070), (10, 2808856), (16, 1755535), (20, 1404428), (40, 702214), (80, 351107), (479, 58640), (733, 38320), (958, 29320), (1466, 19160), (1916, 14660), (2395, 11728), (2932, 9580), (3665, 7664), (3832, 7330), (4790, 5864)]