80401996

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{691}}^1\times {\mathrm{1531}}^1$

素因数の和:2245

約数の個数: 24

約数和(自身を含む): 148420160

約数和(自身を除く): 68018164

約数列:

[1, 2, 4, 19, 38, 76, 691, 1382, 1531, 2764, 3062, 6124, 13129, 26258, 29089, 52516, 58178, 116356, 1057921, 2115842, 4231684, 20100499, 40200998, 80401996]

約数ペア:

[(1, 80401996), (2, 40200998), (4, 20100499), (19, 4231684), (38, 2115842), (76, 1057921), (691, 116356), (1382, 58178), (1531, 52516), (2764, 29089), (3062, 26258), (6124, 13129)]