79805840

素因数分解:

$2^4\times 5^1\times {\mathrm{997573}}^1$

素因数の和:997586

約数の個数: 20

約数和(自身を含む): 185548764

約数和(自身を除く): 105742924

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 997573, 1995146, 3990292, 4987865, 7980584, 9975730, 15961168, 19951460, 39902920, 79805840]

約数ペア:

[(1, 79805840), (2, 39902920), (4, 19951460), (5, 15961168), (8, 9975730), (10, 7980584), (16, 4987865), (20, 3990292), (40, 1995146), (80, 997573)]