1964980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{5171}}^1$

素因数の和:5199

約数の個数: 24

約数和(自身を含む): 4344480

約数和(自身を除く): 2379500

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 5171, 10342, 20684, 25855, 51710, 98249, 103420, 196498, 392996, 491245, 982490, 1964980]

約数ペア:

[(1, 1964980), (2, 982490), (4, 491245), (5, 392996), (10, 196498), (19, 103420), (20, 98249), (38, 51710), (76, 25855), (95, 20684), (190, 10342), (380, 5171)]