882810580

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{97}}^1\times {\mathrm{5113}}^1$

素因数の和:5308

約数の個数: 48

約数和(自身を含む): 1894430160

約数和(自身を除く): 1011619580

約数列:

[1, 2, 4, 5, 10, 20, 89, 97, 178, 194, 356, 388, 445, 485, 890, 970, 1780, 1940, 5113, 8633, 10226, 17266, 20452, 25565, 34532, 43165, 51130, 86330, 102260, 172660, 455057, 495961, 910114, 991922, 1820228, 1983844, 2275285, 2479805, 4550570, 4959610, 9101140, 9919220, 44140529, 88281058, 176562116, 220702645, 441405290, 882810580]

約数ペア:

[(1, 882810580), (2, 441405290), (4, 220702645), (5, 176562116), (10, 88281058), (20, 44140529), (89, 9919220), (97, 9101140), (178, 4959610), (194, 4550570), (356, 2479805), (388, 2275285), (445, 1983844), (485, 1820228), (890, 991922), (970, 910114), (1780, 495961), (1940, 455057), (5113, 172660), (8633, 102260), (10226, 86330), (17266, 51130), (20452, 43165), (25565, 34532)]