178380080

素因数分解:

$2^4\times 5^1\times {\mathrm{131}}^1\times {\mathrm{17021}}^1$

素因数の和:17165

約数の個数: 40

約数和(自身を含む): 417924144

約数和(自身を除く): 239544064

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 131, 262, 524, 655, 1048, 1310, 2096, 2620, 5240, 10480, 17021, 34042, 68084, 85105, 136168, 170210, 272336, 340420, 680840, 1361680, 2229751, 4459502, 8919004, 11148755, 17838008, 22297510, 35676016, 44595020, 89190040, 178380080]

約数ペア:

[(1, 178380080), (2, 89190040), (4, 44595020), (5, 35676016), (8, 22297510), (10, 17838008), (16, 11148755), (20, 8919004), (40, 4459502), (80, 2229751), (131, 1361680), (262, 680840), (524, 340420), (655, 272336), (1048, 170210), (1310, 136168), (2096, 85105), (2620, 68084), (5240, 34042), (10480, 17021)]