89712640

素因数分解:

$2^{11}\times 5^1\times {\mathrm{8761}}^1$

素因数の和:8788

約数の個数: 48

約数和(自身を含む): 215282340

約数和(自身を除く): 125569700

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, 8761, 10240, 17522, 35044, 43805, 70088, 87610, 140176, 175220, 280352, 350440, 560704, 700880, 1121408, 1401760, 2242816, 2803520, 4485632, 5607040, 8971264, 11214080, 17942528, 22428160, 44856320, 89712640]

約数ペア:

[(1, 89712640), (2, 44856320), (4, 22428160), (5, 17942528), (8, 11214080), (10, 8971264), (16, 5607040), (20, 4485632), (32, 2803520), (40, 2242816), (64, 1401760), (80, 1121408), (128, 700880), (160, 560704), (256, 350440), (320, 280352), (512, 175220), (640, 140176), (1024, 87610), (1280, 70088), (2048, 43805), (2560, 35044), (5120, 17522), (8761, 10240)]