71121520

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{38653}}^1$

素因数の和:38689

約数の個数: 40

約数和(自身を含む): 172551456

約数和(自身を除く): 101429936

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 460, 920, 1840, 38653, 77306, 154612, 193265, 309224, 386530, 618448, 773060, 889019, 1546120, 1778038, 3092240, 3556076, 4445095, 7112152, 8890190, 14224304, 17780380, 35560760, 71121520]

約数ペア:

[(1, 71121520), (2, 35560760), (4, 17780380), (5, 14224304), (8, 8890190), (10, 7112152), (16, 4445095), (20, 3556076), (23, 3092240), (40, 1778038), (46, 1546120), (80, 889019), (92, 773060), (115, 618448), (184, 386530), (230, 309224), (368, 193265), (460, 154612), (920, 77306), (1840, 38653)]