80918060

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{130513}}^1$

素因数の和:130553

約数の個数: 24

約数和(自身を含む): 175410816

約数和(自身を除く): 94492756

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 130513, 261026, 522052, 652565, 1305130, 2610260, 4045903, 8091806, 16183612, 20229515, 40459030, 80918060]

約数ペア:

[(1, 80918060), (2, 40459030), (4, 20229515), (5, 16183612), (10, 8091806), (20, 4045903), (31, 2610260), (62, 1305130), (124, 652565), (155, 522052), (310, 261026), (620, 130513)]