80681030

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{10357}}^1$

素因数の和:10424

約数の個数: 32

約数和(自身を含む): 156612960

約数和(自身を除く): 75931930

約数列:

[1, 2, 5, 10, 19, 38, 41, 82, 95, 190, 205, 410, 779, 1558, 3895, 7790, 10357, 20714, 51785, 103570, 196783, 393566, 424637, 849274, 983915, 1967830, 2123185, 4246370, 8068103, 16136206, 40340515, 80681030]

約数ペア:

[(1, 80681030), (2, 40340515), (5, 16136206), (10, 8068103), (19, 4246370), (38, 2123185), (41, 1967830), (82, 983915), (95, 849274), (190, 424637), (205, 393566), (410, 196783), (779, 103570), (1558, 51785), (3895, 20714), (7790, 10357)]