28278625

素因数分解:

$5^3\times {\mathrm{29}}^2\times {\mathrm{269}}^1$

素因数の和:342

約数の個数: 24

約数和(自身を含む): 36686520

約数和(自身を除く): 8407895

約数列:

[1, 5, 25, 29, 125, 145, 269, 725, 841, 1345, 3625, 4205, 6725, 7801, 21025, 33625, 39005, 105125, 195025, 226229, 975125, 1131145, 5655725, 28278625]

約数ペア:

[(1, 28278625), (5, 5655725), (25, 1131145), (29, 975125), (125, 226229), (145, 195025), (269, 105125), (725, 39005), (841, 33625), (1345, 21025), (3625, 7801), (4205, 6725)]