40423984

素因数分解:

$2^4\times {\mathrm{79}}^1\times {\mathrm{31981}}^1$

素因数の和:32068

約数の個数: 20

約数和(自身を含む): 79315360

約数和(自身を除く): 38891376

約数列:

[1, 2, 4, 8, 16, 79, 158, 316, 632, 1264, 31981, 63962, 127924, 255848, 511696, 2526499, 5052998, 10105996, 20211992, 40423984]

約数ペア:

[(1, 40423984), (2, 20211992), (4, 10105996), (8, 5052998), (16, 2526499), (79, 511696), (158, 255848), (316, 127924), (632, 63962), (1264, 31981)]