80986240

素因数分解:

$2^7\times 5^1\times {\mathrm{126541}}^1$

素因数の和:126560

約数の個数: 32

約数和(自身を含む): 193609260

約数和(自身を除く): 112623020

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 126541, 253082, 506164, 632705, 1012328, 1265410, 2024656, 2530820, 4049312, 5061640, 8098624, 10123280, 16197248, 20246560, 40493120, 80986240]

約数ペア:

[(1, 80986240), (2, 40493120), (4, 20246560), (5, 16197248), (8, 10123280), (10, 8098624), (16, 5061640), (20, 4049312), (32, 2530820), (40, 2024656), (64, 1265410), (80, 1012328), (128, 632705), (160, 506164), (320, 253082), (640, 126541)]