71811054820

素因数分解:

$2^2\times 5^1\times {\mathrm{251}}^1\times {\mathrm{1109}}^1\times {\mathrm{12899}}^1$

素因数の和:14268

約数の個数: 48

約数和(自身を含む): 151552296000

約数和(自身を除く): 79741241180

約数列:

[1, 2, 4, 5, 10, 20, 251, 502, 1004, 1109, 1255, 2218, 2510, 4436, 5020, 5545, 11090, 12899, 22180, 25798, 51596, 64495, 128990, 257980, 278359, 556718, 1113436, 1391795, 2783590, 3237649, 5567180, 6475298, 12950596, 14304991, 16188245, 28609982, 32376490, 57219964, 64752980, 71524955, 143049910, 286099820, 3590552741, 7181105482, 14362210964, 17952763705, 35905527410, 71811054820]

約数ペア:

[(1, 71811054820), (2, 35905527410), (4, 17952763705), (5, 14362210964), (10, 7181105482), (20, 3590552741), (251, 286099820), (502, 143049910), (1004, 71524955), (1109, 64752980), (1255, 57219964), (2218, 32376490), (2510, 28609982), (4436, 16188245), (5020, 14304991), (5545, 12950596), (11090, 6475298), (12899, 5567180), (22180, 3237649), (25798, 2783590), (51596, 1391795), (64495, 1113436), (128990, 556718), (257980, 278359)]