15159820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{293}}^1$

素因数の和:514

約数の個数: 48

約数和(自身を含む): 34574400

約数和(自身を除く): 19414580

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 199, 260, 293, 398, 586, 796, 995, 1172, 1465, 1990, 2587, 2930, 3809, 3980, 5174, 5860, 7618, 10348, 12935, 15236, 19045, 25870, 38090, 51740, 58307, 76180, 116614, 233228, 291535, 583070, 757991, 1166140, 1515982, 3031964, 3789955, 7579910, 15159820]

約数ペア:

[(1, 15159820), (2, 7579910), (4, 3789955), (5, 3031964), (10, 1515982), (13, 1166140), (20, 757991), (26, 583070), (52, 291535), (65, 233228), (130, 116614), (199, 76180), (260, 58307), (293, 51740), (398, 38090), (586, 25870), (796, 19045), (995, 15236), (1172, 12935), (1465, 10348), (1990, 7618), (2587, 5860), (2930, 5174), (3809, 3980)]