90736640

素因数分解:

$2^{11}\times 5^1\times {\mathrm{8861}}^1$

素因数の和:8888

約数の個数: 48

約数和(自身を含む): 217739340

約数和(自身を除く): 127002700

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1024, 1280, 2048, 2560, 5120, 8861, 10240, 17722, 35444, 44305, 70888, 88610, 141776, 177220, 283552, 354440, 567104, 708880, 1134208, 1417760, 2268416, 2835520, 4536832, 5671040, 9073664, 11342080, 18147328, 22684160, 45368320, 90736640]

約数ペア:

[(1, 90736640), (2, 45368320), (4, 22684160), (5, 18147328), (8, 11342080), (10, 9073664), (16, 5671040), (20, 4536832), (32, 2835520), (40, 2268416), (64, 1417760), (80, 1134208), (128, 708880), (160, 567104), (256, 354440), (320, 283552), (512, 177220), (640, 141776), (1024, 88610), (1280, 70888), (2048, 44305), (2560, 35444), (5120, 17722), (8861, 10240)]