13380017072

素因数分解:

$2^4\times {\mathrm{1303}}^1\times {\mathrm{641789}}^1$

素因数の和:643100

約数の個数: 20

約数和(自身を含む): 25943718960

約数和(自身を除く): 12563701888

約数列:

[1, 2, 4, 8, 16, 1303, 2606, 5212, 10424, 20848, 641789, 1283578, 2567156, 5134312, 10268624, 836251067, 1672502134, 3345004268, 6690008536, 13380017072]

約数ペア:

[(1, 13380017072), (2, 6690008536), (4, 3345004268), (8, 1672502134), (16, 836251067), (1303, 10268624), (2606, 5134312), (5212, 2567156), (10424, 1283578), (20848, 641789)]