2051270440

素因数分解:

$2^3\times 5^1\times {\mathrm{2593}}^1\times {\mathrm{19777}}^1$

素因数の和:22381

約数の個数: 32

約数和(自身を含む): 4617371880

約数和(自身を除く): 2566101440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2593, 5186, 10372, 12965, 19777, 20744, 25930, 39554, 51860, 79108, 98885, 103720, 158216, 197770, 395540, 791080, 51281761, 102563522, 205127044, 256408805, 410254088, 512817610, 1025635220, 2051270440]

約数ペア:

[(1, 2051270440), (2, 1025635220), (4, 512817610), (5, 410254088), (8, 256408805), (10, 205127044), (20, 102563522), (40, 51281761), (2593, 791080), (5186, 395540), (10372, 197770), (12965, 158216), (19777, 103720), (20744, 98885), (25930, 79108), (39554, 51860)]