80701816

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{40841}}^1$

素因数の和:40879

約数の個数: 32

約数和(自身を含む): 171536400

約数和(自身を除く): 90834584

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 247, 494, 988, 1976, 40841, 81682, 163364, 326728, 530933, 775979, 1061866, 1551958, 2123732, 3103916, 4247464, 6207832, 10087727, 20175454, 40350908, 80701816]

約数ペア:

[(1, 80701816), (2, 40350908), (4, 20175454), (8, 10087727), (13, 6207832), (19, 4247464), (26, 3103916), (38, 2123732), (52, 1551958), (76, 1061866), (104, 775979), (152, 530933), (247, 326728), (494, 163364), (988, 81682), (1976, 40841)]