80725645

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{127}}^2$

素因数の和:290

約数の個数: 48

約数和(自身を含む): 131096448

約数和(自身を除く): 50370803

約数列:

[1, 5, 7, 11, 13, 35, 55, 65, 77, 91, 127, 143, 385, 455, 635, 715, 889, 1001, 1397, 1651, 4445, 5005, 6985, 8255, 9779, 11557, 16129, 18161, 48895, 57785, 80645, 90805, 112903, 127127, 177419, 209677, 564515, 635635, 887095, 1048385, 1241933, 1467739, 2306447, 6209665, 7338695, 11532235, 16145129, 80725645]

約数ペア:

[(1, 80725645), (5, 16145129), (7, 11532235), (11, 7338695), (13, 6209665), (35, 2306447), (55, 1467739), (65, 1241933), (77, 1048385), (91, 887095), (127, 635635), (143, 564515), (385, 209677), (455, 177419), (635, 127127), (715, 112903), (889, 90805), (1001, 80645), (1397, 57785), (1651, 48895), (4445, 18161), (5005, 16129), (6985, 11557), (8255, 9779)]