42278920

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{9697}}^1$

素因数の和:9817

約数の個数: 32

約数和(自身を含む): 96010200

約数和(自身を除く): 53731280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 2180, 4360, 9697, 19394, 38788, 48485, 77576, 96970, 193940, 387880, 1056973, 2113946, 4227892, 5284865, 8455784, 10569730, 21139460, 42278920]

約数ペア:

[(1, 42278920), (2, 21139460), (4, 10569730), (5, 8455784), (8, 5284865), (10, 4227892), (20, 2113946), (40, 1056973), (109, 387880), (218, 193940), (436, 96970), (545, 77576), (872, 48485), (1090, 38788), (2180, 19394), (4360, 9697)]