8090225

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1$

素因数の和:138

約数の個数: 48

約数和(自身を含む): 12332544

約数和(自身を除く): 4242319

約数列:

[1, 5, 11, 13, 25, 31, 55, 65, 73, 143, 155, 275, 325, 341, 365, 403, 715, 775, 803, 949, 1705, 1825, 2015, 2263, 3575, 4015, 4433, 4745, 8525, 10075, 10439, 11315, 20075, 22165, 23725, 24893, 29419, 52195, 56575, 110825, 124465, 147095, 260975, 323609, 622325, 735475, 1618045, 8090225]

約数ペア:

[(1, 8090225), (5, 1618045), (11, 735475), (13, 622325), (25, 323609), (31, 260975), (55, 147095), (65, 124465), (73, 110825), (143, 56575), (155, 52195), (275, 29419), (325, 24893), (341, 23725), (365, 22165), (403, 20075), (715, 11315), (775, 10439), (803, 10075), (949, 8525), (1705, 4745), (1825, 4433), (2015, 4015), (2263, 3575)]