39791984

素因数分解:

$2^4\times {\mathrm{79}}^1\times {\mathrm{31481}}^1$

素因数の和:31568

約数の個数: 20

約数和(自身を含む): 78075360

約数和(自身を除く): 38283376

約数列:

[1, 2, 4, 8, 16, 79, 158, 316, 632, 1264, 31481, 62962, 125924, 251848, 503696, 2486999, 4973998, 9947996, 19895992, 39791984]

約数ペア:

[(1, 39791984), (2, 19895992), (4, 9947996), (8, 4973998), (16, 2486999), (79, 503696), (158, 251848), (316, 125924), (632, 62962), (1264, 31481)]