2101473860

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{197}}^1\times {\mathrm{13009}}^1$

素因数の和:13256

約数の個数: 48

約数和(自身を含む): 4544028720

約数和(自身を除く): 2442554860

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 197, 205, 394, 410, 788, 820, 985, 1970, 3940, 8077, 13009, 16154, 26018, 32308, 40385, 52036, 65045, 80770, 130090, 161540, 260180, 533369, 1066738, 2133476, 2562773, 2666845, 5125546, 5333690, 10251092, 10667380, 12813865, 25627730, 51255460, 105073693, 210147386, 420294772, 525368465, 1050736930, 2101473860]

約数ペア:

[(1, 2101473860), (2, 1050736930), (4, 525368465), (5, 420294772), (10, 210147386), (20, 105073693), (41, 51255460), (82, 25627730), (164, 12813865), (197, 10667380), (205, 10251092), (394, 5333690), (410, 5125546), (788, 2666845), (820, 2562773), (985, 2133476), (1970, 1066738), (3940, 533369), (8077, 260180), (13009, 161540), (16154, 130090), (26018, 80770), (32308, 65045), (40385, 52036)]