67542940

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{30983}}^1$

素因数の和:31101

約数の個数: 24

約数和(自身を含む): 143146080

約数和(自身を除く): 75603140

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 30983, 61966, 123932, 154915, 309830, 619660, 3377147, 6754294, 13508588, 16885735, 33771470, 67542940]

約数ペア:

[(1, 67542940), (2, 33771470), (4, 16885735), (5, 13508588), (10, 6754294), (20, 3377147), (109, 619660), (218, 309830), (436, 154915), (545, 123932), (1090, 61966), (2180, 30983)]