81460030

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{10457}}^1$

素因数の和:10524

約数の個数: 32

約数和(自身を含む): 158124960

約数和(自身を除く): 76664930

約数列:

[1, 2, 5, 10, 19, 38, 41, 82, 95, 190, 205, 410, 779, 1558, 3895, 7790, 10457, 20914, 52285, 104570, 198683, 397366, 428737, 857474, 993415, 1986830, 2143685, 4287370, 8146003, 16292006, 40730015, 81460030]

約数ペア:

[(1, 81460030), (2, 40730015), (5, 16292006), (10, 8146003), (19, 4287370), (38, 2143685), (41, 1986830), (82, 993415), (95, 857474), (190, 428737), (205, 397366), (410, 198683), (779, 104570), (1558, 52285), (3895, 20914), (7790, 10457)]