28394750

素因数分解:

$2^1\times 5^3\times {\mathrm{53}}^1\times {\mathrm{2143}}^1$

素因数の和:2213

約数の個数: 32

約数和(自身を含む): 54183168

約数和(自身を除く): 25788418

約数列:

[1, 2, 5, 10, 25, 50, 53, 106, 125, 250, 265, 530, 1325, 2143, 2650, 4286, 6625, 10715, 13250, 21430, 53575, 107150, 113579, 227158, 267875, 535750, 567895, 1135790, 2839475, 5678950, 14197375, 28394750]

約数ペア:

[(1, 28394750), (2, 14197375), (5, 5678950), (10, 2839475), (25, 1135790), (50, 567895), (53, 535750), (106, 267875), (125, 227158), (250, 113579), (265, 107150), (530, 53575), (1325, 21430), (2143, 13250), (2650, 10715), (4286, 6625)]