220542340

素因数分解:

$2^2\times 5^1\times {\mathrm{269}}^1\times {\mathrm{40993}}^1$

素因数の和:41271

約数の個数: 24

約数和(自身を含む): 464871960

約数和(自身を除く): 244329620

約数列:

[1, 2, 4, 5, 10, 20, 269, 538, 1076, 1345, 2690, 5380, 40993, 81986, 163972, 204965, 409930, 819860, 11027117, 22054234, 44108468, 55135585, 110271170, 220542340]

約数ペア:

[(1, 220542340), (2, 110271170), (4, 55135585), (5, 44108468), (10, 22054234), (20, 11027117), (269, 819860), (538, 409930), (1076, 204965), (1345, 163972), (2690, 81986), (5380, 40993)]