40088320

素因数分解:

$2^8\times 5^1\times {\mathrm{31319}}^1$

素因数の和:31340

約数の個数: 36

約数和(自身を含む): 96027120

約数和(自身を除く): 55938800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 31319, 62638, 125276, 156595, 250552, 313190, 501104, 626380, 1002208, 1252760, 2004416, 2505520, 4008832, 5011040, 8017664, 10022080, 20044160, 40088320]

約数ペア:

[(1, 40088320), (2, 20044160), (4, 10022080), (5, 8017664), (8, 5011040), (10, 4008832), (16, 2505520), (20, 2004416), (32, 1252760), (40, 1002208), (64, 626380), (80, 501104), (128, 313190), (160, 250552), (256, 156595), (320, 125276), (640, 62638), (1280, 31319)]