28646320

素因数分解:

$2^4\times 5^1\times {\mathrm{358079}}^1$

素因数の和:358092

約数の個数: 20

約数和(自身を含む): 66602880

約数和(自身を除く): 37956560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 358079, 716158, 1432316, 1790395, 2864632, 3580790, 5729264, 7161580, 14323160, 28646320]

約数ペア:

[(1, 28646320), (2, 14323160), (4, 7161580), (5, 5729264), (8, 3580790), (10, 2864632), (16, 1790395), (20, 1432316), (40, 716158), (80, 358079)]