23210540

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1\times {\mathrm{197}}^1$

素因数の和:386

約数の個数: 48

約数和(自身を含む): 50494752

約数和(自身を除く): 27284212

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 137, 172, 197, 215, 274, 394, 430, 548, 685, 788, 860, 985, 1370, 1970, 2740, 3940, 5891, 8471, 11782, 16942, 23564, 26989, 29455, 33884, 42355, 53978, 58910, 84710, 107956, 117820, 134945, 169420, 269890, 539780, 1160527, 2321054, 4642108, 5802635, 11605270, 23210540]

約数ペア:

[(1, 23210540), (2, 11605270), (4, 5802635), (5, 4642108), (10, 2321054), (20, 1160527), (43, 539780), (86, 269890), (137, 169420), (172, 134945), (197, 117820), (215, 107956), (274, 84710), (394, 58910), (430, 53978), (548, 42355), (685, 33884), (788, 29455), (860, 26989), (985, 23564), (1370, 16942), (1970, 11782), (2740, 8471), (3940, 5891)]