39487984

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{40459}}^1$

素因数の和:40528

約数の個数: 20

約数和(自身を含む): 77764120

約数和(自身を除く): 38276136

約数列:

[1, 2, 4, 8, 16, 61, 122, 244, 488, 976, 40459, 80918, 161836, 323672, 647344, 2467999, 4935998, 9871996, 19743992, 39487984]

約数ペア:

[(1, 39487984), (2, 19743992), (4, 9871996), (8, 4935998), (16, 2467999), (61, 647344), (122, 323672), (244, 161836), (488, 80918), (976, 40459)]