166145680

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{29251}}^1$

素因数の和:29335

約数の個数: 40

約数和(自身を含む): 391742784

約数和(自身を除く): 225597104

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 355, 568, 710, 1136, 1420, 2840, 5680, 29251, 58502, 117004, 146255, 234008, 292510, 468016, 585020, 1170040, 2076821, 2340080, 4153642, 8307284, 10384105, 16614568, 20768210, 33229136, 41536420, 83072840, 166145680]

約数ペア:

[(1, 166145680), (2, 83072840), (4, 41536420), (5, 33229136), (8, 20768210), (10, 16614568), (16, 10384105), (20, 8307284), (40, 4153642), (71, 2340080), (80, 2076821), (142, 1170040), (284, 585020), (355, 468016), (568, 292510), (710, 234008), (1136, 146255), (1420, 117004), (2840, 58502), (5680, 29251)]