78930380

素因数分解:

$2^2\times 5^1\times {\mathrm{1913}}^1\times {\mathrm{2063}}^1$

素因数の和:3985

約数の個数: 24

約数和(自身を含む): 165920832

約数和(自身を除く): 86990452

約数列:

[1, 2, 4, 5, 10, 20, 1913, 2063, 3826, 4126, 7652, 8252, 9565, 10315, 19130, 20630, 38260, 41260, 3946519, 7893038, 15786076, 19732595, 39465190, 78930380]

約数ペア:

[(1, 78930380), (2, 39465190), (4, 19732595), (5, 15786076), (10, 7893038), (20, 3946519), (1913, 41260), (2063, 38260), (3826, 20630), (4126, 19130), (7652, 10315), (8252, 9565)]