13205075

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{991}}^1$

素因数の和:1055

約数の個数: 24

約数和(自身を含む): 18082176

約数和(自身を除く): 4877101

約数列:

[1, 5, 13, 25, 41, 65, 205, 325, 533, 991, 1025, 2665, 4955, 12883, 13325, 24775, 40631, 64415, 203155, 322075, 528203, 1015775, 2641015, 13205075]

約数ペア:

[(1, 13205075), (5, 2641015), (13, 1015775), (25, 528203), (41, 322075), (65, 203155), (205, 64415), (325, 40631), (533, 24775), (991, 13325), (1025, 12883), (2665, 4955)]