51109220

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{811}}^1$

素因数の和:980

約数の個数: 48

約数和(自身を含む): 112952448

約数和(自身を除く): 61843228

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 137, 230, 274, 460, 548, 685, 811, 1370, 1622, 2740, 3151, 3244, 4055, 6302, 8110, 12604, 15755, 16220, 18653, 31510, 37306, 63020, 74612, 93265, 111107, 186530, 222214, 373060, 444428, 555535, 1111070, 2222140, 2555461, 5110922, 10221844, 12777305, 25554610, 51109220]

約数ペア:

[(1, 51109220), (2, 25554610), (4, 12777305), (5, 10221844), (10, 5110922), (20, 2555461), (23, 2222140), (46, 1111070), (92, 555535), (115, 444428), (137, 373060), (230, 222214), (274, 186530), (460, 111107), (548, 93265), (685, 74612), (811, 63020), (1370, 37306), (1622, 31510), (2740, 18653), (3151, 16220), (3244, 15755), (4055, 12604), (6302, 8110)]