161006980

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{217577}}^1$

素因数の和:217623

約数の個数: 24

約数和(自身を含む): 347254488

約数和(自身を除く): 186247508

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 370, 740, 217577, 435154, 870308, 1087885, 2175770, 4351540, 8050349, 16100698, 32201396, 40251745, 80503490, 161006980]

約数ペア:

[(1, 161006980), (2, 80503490), (4, 40251745), (5, 32201396), (10, 16100698), (20, 8050349), (37, 4351540), (74, 2175770), (148, 1087885), (185, 870308), (370, 435154), (740, 217577)]