7989440020

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{439}}^1\times {\mathrm{53527}}^1$

素因数の和:53992

約数の個数: 48

約数和(自身を含む): 17805553920

約数和(自身を除く): 9816113900

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 439, 878, 1756, 2195, 4390, 7463, 8780, 14926, 29852, 37315, 53527, 74630, 107054, 149260, 214108, 267635, 535270, 909959, 1070540, 1819918, 3639836, 4549795, 9099590, 18199180, 23498353, 46996706, 93993412, 117491765, 234983530, 399472001, 469967060, 798944002, 1597888004, 1997360005, 3994720010, 7989440020]

約数ペア:

[(1, 7989440020), (2, 3994720010), (4, 1997360005), (5, 1597888004), (10, 798944002), (17, 469967060), (20, 399472001), (34, 234983530), (68, 117491765), (85, 93993412), (170, 46996706), (340, 23498353), (439, 18199180), (878, 9099590), (1756, 4549795), (2195, 3639836), (4390, 1819918), (7463, 1070540), (8780, 909959), (14926, 535270), (29852, 267635), (37315, 214108), (53527, 149260), (74630, 107054)]