42180520

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{15739}}^1$

素因数の和:15817

約数の個数: 32

約数和(自身を含む): 96328800

約数和(自身を除く): 54148280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 134, 268, 335, 536, 670, 1340, 2680, 15739, 31478, 62956, 78695, 125912, 157390, 314780, 629560, 1054513, 2109026, 4218052, 5272565, 8436104, 10545130, 21090260, 42180520]

約数ペア:

[(1, 42180520), (2, 21090260), (4, 10545130), (5, 8436104), (8, 5272565), (10, 4218052), (20, 2109026), (40, 1054513), (67, 629560), (134, 314780), (268, 157390), (335, 125912), (536, 78695), (670, 62956), (1340, 31478), (2680, 15739)]