80973640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{184031}}^1$

素因数の和:184053

約数の個数: 32

約数和(自身を含む): 198754560

約数和(自身を除く): 117780920

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 184031, 368062, 736124, 920155, 1472248, 1840310, 2024341, 3680620, 4048682, 7361240, 8097364, 10121705, 16194728, 20243410, 40486820, 80973640]

約数ペア:

[(1, 80973640), (2, 40486820), (4, 20243410), (5, 16194728), (8, 10121705), (10, 8097364), (11, 7361240), (20, 4048682), (22, 3680620), (40, 2024341), (44, 1840310), (55, 1472248), (88, 920155), (110, 736124), (220, 368062), (440, 184031)]