40372480

素因数分解:

$2^8\times 5^1\times {\mathrm{31541}}^1$

素因数の和:31562

約数の個数: 36

約数和(自身を含む): 96707772

約数和(自身を除く): 56335292

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 31541, 63082, 126164, 157705, 252328, 315410, 504656, 630820, 1009312, 1261640, 2018624, 2523280, 4037248, 5046560, 8074496, 10093120, 20186240, 40372480]

約数ペア:

[(1, 40372480), (2, 20186240), (4, 10093120), (5, 8074496), (8, 5046560), (10, 4037248), (16, 2523280), (20, 2018624), (32, 1261640), (40, 1009312), (64, 630820), (80, 504656), (128, 315410), (160, 252328), (256, 157705), (320, 126164), (640, 63082), (1280, 31541)]