79993240

素因数分解:

$2^3\times 5^1\times {\mathrm{1097}}^1\times {\mathrm{1823}}^1$

素因数の和:2931

約数の個数: 32

約数和(自身を含む): 180247680

約数和(自身を除く): 100254440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1097, 1823, 2194, 3646, 4388, 5485, 7292, 8776, 9115, 10970, 14584, 18230, 21940, 36460, 43880, 72920, 1999831, 3999662, 7999324, 9999155, 15998648, 19998310, 39996620, 79993240]

約数ペア:

[(1, 79993240), (2, 39996620), (4, 19998310), (5, 15998648), (8, 9999155), (10, 7999324), (20, 3999662), (40, 1999831), (1097, 72920), (1823, 43880), (2194, 36460), (3646, 21940), (4388, 18230), (5485, 14584), (7292, 10970), (8776, 9115)]