2016237880

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{311}}^1\times {\mathrm{2657}}^1$

素因数の和:3040

約数の個数: 64

約数和(自身を含む): 4627471680

約数和(自身を除く): 2611233800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 311, 488, 610, 622, 1220, 1244, 1555, 2440, 2488, 2657, 3110, 5314, 6220, 10628, 12440, 13285, 18971, 21256, 26570, 37942, 53140, 75884, 94855, 106280, 151768, 162077, 189710, 324154, 379420, 648308, 758840, 810385, 826327, 1296616, 1620770, 1652654, 3241540, 3305308, 4131635, 6483080, 6610616, 8263270, 16526540, 33053080, 50405947, 100811894, 201623788, 252029735, 403247576, 504059470, 1008118940, 2016237880]

約数ペア:

[(1, 2016237880), (2, 1008118940), (4, 504059470), (5, 403247576), (8, 252029735), (10, 201623788), (20, 100811894), (40, 50405947), (61, 33053080), (122, 16526540), (244, 8263270), (305, 6610616), (311, 6483080), (488, 4131635), (610, 3305308), (622, 3241540), (1220, 1652654), (1244, 1620770), (1555, 1296616), (2440, 826327), (2488, 810385), (2657, 758840), (3110, 648308), (5314, 379420), (6220, 324154), (10628, 189710), (12440, 162077), (13285, 151768), (18971, 106280), (21256, 94855), (26570, 75884), (37942, 53140)]