28426625

素因数分解:

$5^3\times {\mathrm{71}}^1\times {\mathrm{3203}}^1$

素因数の和:3289

約数の個数: 16

約数和(自身を含む): 35987328

約数和(自身を除く): 7560703

約数列:

[1, 5, 25, 71, 125, 355, 1775, 3203, 8875, 16015, 80075, 227413, 400375, 1137065, 5685325, 28426625]

約数ペア:

[(1, 28426625), (5, 5685325), (25, 1137065), (71, 400375), (125, 227413), (355, 80075), (1775, 16015), (3203, 8875)]