90897920

素因数分解:

$2^9\times 5^1\times {\mathrm{35507}}^1$

素因数の和:35530

約数の個数: 40

約数和(自身を含む): 217948104

約数和(自身を除く): 127050184

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 35507, 71014, 142028, 177535, 284056, 355070, 568112, 710140, 1136224, 1420280, 2272448, 2840560, 4544896, 5681120, 9089792, 11362240, 18179584, 22724480, 45448960, 90897920]

約数ペア:

[(1, 90897920), (2, 45448960), (4, 22724480), (5, 18179584), (8, 11362240), (10, 9089792), (16, 5681120), (20, 4544896), (32, 2840560), (40, 2272448), (64, 1420280), (80, 1136224), (128, 710140), (160, 568112), (256, 355070), (320, 284056), (512, 177535), (640, 142028), (1280, 71014), (2560, 35507)]