82078280

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{28109}}^1$

素因数の和:28193

約数の個数: 32

約数和(自身を含む): 187212600

約数和(自身を除く): 105134320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 584, 730, 1460, 2920, 28109, 56218, 112436, 140545, 224872, 281090, 562180, 1124360, 2051957, 4103914, 8207828, 10259785, 16415656, 20519570, 41039140, 82078280]

約数ペア:

[(1, 82078280), (2, 41039140), (4, 20519570), (5, 16415656), (8, 10259785), (10, 8207828), (20, 4103914), (40, 2051957), (73, 1124360), (146, 562180), (292, 281090), (365, 224872), (584, 140545), (730, 112436), (1460, 56218), (2920, 28109)]