214552761680

素因数分解:

$2^4\times 5^1\times {\mathrm{2681909521}}^1$

素因数の和:2681909534

約数の個数: 20

約数和(自身を含む): 498835171092

約数和(自身を除く): 284282409412

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2681909521, 5363819042, 10727638084, 13409547605, 21455276168, 26819095210, 42910552336, 53638190420, 107276380840, 214552761680]

約数ペア:

[(1, 214552761680), (2, 107276380840), (4, 53638190420), (5, 42910552336), (8, 26819095210), (10, 21455276168), (16, 13409547605), (20, 10727638084), (40, 5363819042), (80, 2681909521)]