5645440

素因数分解:

$2^7\times 5^1\times {\mathrm{8821}}^1$

素因数の和:8840

約数の個数: 32

約数和(自身を含む): 13497660

約数和(自身を除く): 7852220

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 8821, 17642, 35284, 44105, 70568, 88210, 141136, 176420, 282272, 352840, 564544, 705680, 1129088, 1411360, 2822720, 5645440]

約数ペア:

[(1, 5645440), (2, 2822720), (4, 1411360), (5, 1129088), (8, 705680), (10, 564544), (16, 352840), (20, 282272), (32, 176420), (40, 141136), (64, 88210), (80, 70568), (128, 44105), (160, 35284), (320, 17642), (640, 8821)]