80894240

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{72227}}^1$

素因数の和:72249

約数の個数: 48

約数和(自身を含む): 218417472

約数和(自身を除く): 137523232

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 72227, 144454, 288908, 361135, 505589, 577816, 722270, 1011178, 1155632, 1444540, 2022356, 2311264, 2527945, 2889080, 4044712, 5055890, 5778160, 8089424, 10111780, 11556320, 16178848, 20223560, 40447120, 80894240]

約数ペア:

[(1, 80894240), (2, 40447120), (4, 20223560), (5, 16178848), (7, 11556320), (8, 10111780), (10, 8089424), (14, 5778160), (16, 5055890), (20, 4044712), (28, 2889080), (32, 2527945), (35, 2311264), (40, 2022356), (56, 1444540), (70, 1155632), (80, 1011178), (112, 722270), (140, 577816), (160, 505589), (224, 361135), (280, 288908), (560, 144454), (1120, 72227)]