80115664

素因数分解:

$2^4\times {\mathrm{89}}^1\times {\mathrm{127}}^1\times {\mathrm{443}}^1$

素因数の和:667

約数の個数: 40

約数和(自身を含む): 158561280

約数和(自身を除く): 78445616

約数列:

[1, 2, 4, 8, 16, 89, 127, 178, 254, 356, 443, 508, 712, 886, 1016, 1424, 1772, 2032, 3544, 7088, 11303, 22606, 39427, 45212, 56261, 78854, 90424, 112522, 157708, 180848, 225044, 315416, 450088, 630832, 900176, 5007229, 10014458, 20028916, 40057832, 80115664]

約数ペア:

[(1, 80115664), (2, 40057832), (4, 20028916), (8, 10014458), (16, 5007229), (89, 900176), (127, 630832), (178, 450088), (254, 315416), (356, 225044), (443, 180848), (508, 157708), (712, 112522), (886, 90424), (1016, 78854), (1424, 56261), (1772, 45212), (2032, 39427), (3544, 22606), (7088, 11303)]