128205320

素因数分解:

$2^3\times 5^1\times {\mathrm{601}}^1\times {\mathrm{5333}}^1$

素因数の和:5945

約数の個数: 32

約数和(自身を含む): 288996120

約数和(自身を除く): 160790800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 601, 1202, 2404, 3005, 4808, 5333, 6010, 10666, 12020, 21332, 24040, 26665, 42664, 53330, 106660, 213320, 3205133, 6410266, 12820532, 16025665, 25641064, 32051330, 64102660, 128205320]

約数ペア:

[(1, 128205320), (2, 64102660), (4, 32051330), (5, 25641064), (8, 16025665), (10, 12820532), (20, 6410266), (40, 3205133), (601, 213320), (1202, 106660), (2404, 53330), (3005, 42664), (4808, 26665), (5333, 24040), (6010, 21332), (10666, 12020)]