26435440

素因数分解:

$2^4\times 5^1\times {\mathrm{491}}^1\times {\mathrm{673}}^1$

素因数の和:1177

約数の個数: 40

約数和(自身を含む): 61679088

約数和(自身を除く): 35243648

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 491, 673, 982, 1346, 1964, 2455, 2692, 3365, 3928, 4910, 5384, 6730, 7856, 9820, 10768, 13460, 19640, 26920, 39280, 53840, 330443, 660886, 1321772, 1652215, 2643544, 3304430, 5287088, 6608860, 13217720, 26435440]

約数ペア:

[(1, 26435440), (2, 13217720), (4, 6608860), (5, 5287088), (8, 3304430), (10, 2643544), (16, 1652215), (20, 1321772), (40, 660886), (80, 330443), (491, 53840), (673, 39280), (982, 26920), (1346, 19640), (1964, 13460), (2455, 10768), (2692, 9820), (3365, 7856), (3928, 6730), (4910, 5384)]