28722325

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{173}}^1\times {\mathrm{229}}^1$

素因数の和:441

約数の個数: 24

約数和(自身を含む): 37218600

約数和(自身を除く): 8496275

約数列:

[1, 5, 25, 29, 145, 173, 229, 725, 865, 1145, 4325, 5017, 5725, 6641, 25085, 33205, 39617, 125425, 166025, 198085, 990425, 1148893, 5744465, 28722325]

約数ペア:

[(1, 28722325), (5, 5744465), (25, 1148893), (29, 990425), (145, 198085), (173, 166025), (229, 125425), (725, 39617), (865, 33205), (1145, 25085), (4325, 6641), (5017, 5725)]