253805480

素因数分解:

$2^3\times 5^1\times {\mathrm{6345137}}^1$

素因数の和:6345148

約数の個数: 16

約数和(自身を含む): 571062420

約数和(自身を除く): 317256940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 6345137, 12690274, 25380548, 31725685, 50761096, 63451370, 126902740, 253805480]

約数ペア:

[(1, 253805480), (2, 126902740), (4, 63451370), (5, 50761096), (8, 31725685), (10, 25380548), (20, 12690274), (40, 6345137)]