90659840

素因数分解:

$2^{10}\times 5^1\times {\mathrm{17707}}^1$

素因数の和:17732

約数の個数: 44

約数和(自身を含む): 217489656

約数和(自身を除く): 126829816

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1024, 1280, 2560, 5120, 17707, 35414, 70828, 88535, 141656, 177070, 283312, 354140, 566624, 708280, 1133248, 1416560, 2266496, 2833120, 4532992, 5666240, 9065984, 11332480, 18131968, 22664960, 45329920, 90659840]

約数ペア:

[(1, 90659840), (2, 45329920), (4, 22664960), (5, 18131968), (8, 11332480), (10, 9065984), (16, 5666240), (20, 4532992), (32, 2833120), (40, 2266496), (64, 1416560), (80, 1133248), (128, 708280), (160, 566624), (256, 354140), (320, 283312), (512, 177070), (640, 141656), (1024, 88535), (1280, 70828), (2560, 35414), (5120, 17707)]