80138816

素因数分解:

$2^6\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{1009}}^1$

素因数の和:1111

約数の個数: 56

約数和(自身を含む): 170855640

約数和(自身を除く): 90716824

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 73, 136, 146, 272, 292, 544, 584, 1009, 1088, 1168, 1241, 2018, 2336, 2482, 4036, 4672, 4964, 8072, 9928, 16144, 17153, 19856, 32288, 34306, 39712, 64576, 68612, 73657, 79424, 137224, 147314, 274448, 294628, 548896, 589256, 1097792, 1178512, 1252169, 2357024, 2504338, 4714048, 5008676, 10017352, 20034704, 40069408, 80138816]

約数ペア:

[(1, 80138816), (2, 40069408), (4, 20034704), (8, 10017352), (16, 5008676), (17, 4714048), (32, 2504338), (34, 2357024), (64, 1252169), (68, 1178512), (73, 1097792), (136, 589256), (146, 548896), (272, 294628), (292, 274448), (544, 147314), (584, 137224), (1009, 79424), (1088, 73657), (1168, 68612), (1241, 64576), (2018, 39712), (2336, 34306), (2482, 32288), (4036, 19856), (4672, 17153), (4964, 16144), (8072, 9928)]