196968920

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{120103}}^1$

素因数の和:120155

約数の個数: 32

約数和(自身を含む): 453993120

約数和(自身を除く): 257024200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 120103, 240206, 480412, 600515, 960824, 1201030, 2402060, 4804120, 4924223, 9848446, 19696892, 24621115, 39393784, 49242230, 98484460, 196968920]

約数ペア:

[(1, 196968920), (2, 98484460), (4, 49242230), (5, 39393784), (8, 24621115), (10, 19696892), (20, 9848446), (40, 4924223), (41, 4804120), (82, 2402060), (164, 1201030), (205, 960824), (328, 600515), (410, 480412), (820, 240206), (1640, 120103)]