28503125

素因数分解:

$5^5\times 7^1\times {\mathrm{1303}}^1$

素因数の和:1335

約数の個数: 24

約数和(自身を含む): 40747392

約数和(自身を除く): 12244267

約数列:

[1, 5, 7, 25, 35, 125, 175, 625, 875, 1303, 3125, 4375, 6515, 9121, 21875, 32575, 45605, 162875, 228025, 814375, 1140125, 4071875, 5700625, 28503125]

約数ペア:

[(1, 28503125), (5, 5700625), (7, 4071875), (25, 1140125), (35, 814375), (125, 228025), (175, 162875), (625, 45605), (875, 32575), (1303, 21875), (3125, 9121), (4375, 6515)]