156724520

素因数分解:

$2^3\times 5^1\times {\mathrm{1249}}^1\times {\mathrm{3137}}^1$

素因数の和:4397

約数の個数: 32

約数和(自身を含む): 353025000

約数和(自身を除く): 196300480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1249, 2498, 3137, 4996, 6245, 6274, 9992, 12490, 12548, 15685, 24980, 25096, 31370, 49960, 62740, 125480, 3918113, 7836226, 15672452, 19590565, 31344904, 39181130, 78362260, 156724520]

約数ペア:

[(1, 156724520), (2, 78362260), (4, 39181130), (5, 31344904), (8, 19590565), (10, 15672452), (20, 7836226), (40, 3918113), (1249, 125480), (2498, 62740), (3137, 49960), (4996, 31370), (6245, 25096), (6274, 24980), (9992, 15685), (12490, 12548)]