28438625

素因数分解:

$5^3\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{179}}^1$

素因数の和:266

約数の個数: 32

約数和(自身を含む): 37739520

約数和(自身を除く): 9300895

約数列:

[1, 5, 25, 31, 41, 125, 155, 179, 205, 775, 895, 1025, 1271, 3875, 4475, 5125, 5549, 6355, 7339, 22375, 27745, 31775, 36695, 138725, 158875, 183475, 227509, 693625, 917375, 1137545, 5687725, 28438625]

約数ペア:

[(1, 28438625), (5, 5687725), (25, 1137545), (31, 917375), (41, 693625), (125, 227509), (155, 183475), (179, 158875), (205, 138725), (775, 36695), (895, 31775), (1025, 27745), (1271, 22375), (3875, 7339), (4475, 6355), (5125, 5549)]