520028840

素因数分解:

$2^3\times 5^1\times {\mathrm{443}}^1\times {\mathrm{29347}}^1$

素因数の和:29801

約数の個数: 32

約数和(自身を含む): 1172746080

約数和(自身を除く): 652717240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 443, 886, 1772, 2215, 3544, 4430, 8860, 17720, 29347, 58694, 117388, 146735, 234776, 293470, 586940, 1173880, 13000721, 26001442, 52002884, 65003605, 104005768, 130007210, 260014420, 520028840]

約数ペア:

[(1, 520028840), (2, 260014420), (4, 130007210), (5, 104005768), (8, 65003605), (10, 52002884), (20, 26001442), (40, 13000721), (443, 1173880), (886, 586940), (1772, 293470), (2215, 234776), (3544, 146735), (4430, 117388), (8860, 58694), (17720, 29347)]