80920816

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{297503}}^1$

素因数の和:297528

約数の個数: 20

約数和(自身を含む): 166007232

約数和(自身を除く): 85086416

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 297503, 595006, 1190012, 2380024, 4760048, 5057551, 10115102, 20230204, 40460408, 80920816]

約数ペア:

[(1, 80920816), (2, 40460408), (4, 20230204), (8, 10115102), (16, 5057551), (17, 4760048), (34, 2380024), (68, 1190012), (136, 595006), (272, 297503)]