25021275

素因数分解:

$3^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{103}}^1$

素因数の和:236

約数の個数: 48

約数和(自身を含む): 43330560

約数和(自身を除く): 18309285

約数列:

[1, 3, 5, 15, 25, 41, 75, 79, 103, 123, 205, 237, 309, 395, 515, 615, 1025, 1185, 1545, 1975, 2575, 3075, 3239, 4223, 5925, 7725, 8137, 9717, 12669, 16195, 21115, 24411, 40685, 48585, 63345, 80975, 105575, 122055, 203425, 242925, 316725, 333617, 610275, 1000851, 1668085, 5004255, 8340425, 25021275]

約数ペア:

[(1, 25021275), (3, 8340425), (5, 5004255), (15, 1668085), (25, 1000851), (41, 610275), (75, 333617), (79, 316725), (103, 242925), (123, 203425), (205, 122055), (237, 105575), (309, 80975), (395, 63345), (515, 48585), (615, 40685), (1025, 24411), (1185, 21115), (1545, 16195), (1975, 12669), (2575, 9717), (3075, 8137), (3239, 7725), (4223, 5925)]