13800625

素因数分解:

$5^4\times {\mathrm{71}}^1\times {\mathrm{311}}^1$

素因数の和:402

約数の個数: 20

約数和(自身を含む): 17544384

約数和(自身を除く): 3743759

約数列:

[1, 5, 25, 71, 125, 311, 355, 625, 1555, 1775, 7775, 8875, 22081, 38875, 44375, 110405, 194375, 552025, 2760125, 13800625]

約数ペア:

[(1, 13800625), (5, 2760125), (25, 552025), (71, 194375), (125, 110405), (311, 44375), (355, 38875), (625, 22081), (1555, 8875), (1775, 7775)]