72408320

素因数分解:

$2^8\times 5^1\times {\mathrm{56569}}^1$

素因数の和:56590

約数の個数: 36

約数和(自身を含む): 173443620

約数和(自身を除く): 101035300

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 56569, 113138, 226276, 282845, 452552, 565690, 905104, 1131380, 1810208, 2262760, 3620416, 4525520, 7240832, 9051040, 14481664, 18102080, 36204160, 72408320]

約数ペア:

[(1, 72408320), (2, 36204160), (4, 18102080), (5, 14481664), (8, 9051040), (10, 7240832), (16, 4525520), (20, 3620416), (32, 2262760), (40, 1810208), (64, 1131380), (80, 905104), (128, 565690), (160, 452552), (256, 282845), (320, 226276), (640, 113138), (1280, 56569)]