80697925

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{103}}^1$

素因数の和:179

約数の個数: 72

約数和(自身を含む): 130352768

約数和(自身を除く): 49654843

約数列:

[1, 5, 7, 11, 25, 35, 37, 55, 77, 103, 121, 175, 185, 259, 275, 385, 407, 515, 605, 721, 847, 925, 1133, 1295, 1925, 2035, 2575, 2849, 3025, 3605, 3811, 4235, 4477, 5665, 6475, 7931, 10175, 12463, 14245, 18025, 19055, 21175, 22385, 26677, 28325, 31339, 39655, 41921, 62315, 71225, 87241, 95275, 111925, 133385, 156695, 198275, 209605, 293447, 311575, 436205, 461131, 666925, 783475, 1048025, 1467235, 2181025, 2305655, 3227917, 7336175, 11528275, 16139585, 80697925]

約数ペア:

[(1, 80697925), (5, 16139585), (7, 11528275), (11, 7336175), (25, 3227917), (35, 2305655), (37, 2181025), (55, 1467235), (77, 1048025), (103, 783475), (121, 666925), (175, 461131), (185, 436205), (259, 311575), (275, 293447), (385, 209605), (407, 198275), (515, 156695), (605, 133385), (721, 111925), (847, 95275), (925, 87241), (1133, 71225), (1295, 62315), (1925, 41921), (2035, 39655), (2575, 31339), (2849, 28325), (3025, 26677), (3605, 22385), (3811, 21175), (4235, 19055), (4477, 18025), (5665, 14245), (6475, 12463), (7931, 10175)]