847821440

素因数分解:

$2^7\times 5^1\times {\mathrm{1324721}}^1$

素因数の和:1324740

約数の個数: 32

約数和(自身を含む): 2026824660

約数和(自身を除く): 1179003220

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 1324721, 2649442, 5298884, 6623605, 10597768, 13247210, 21195536, 26494420, 42391072, 52988840, 84782144, 105977680, 169564288, 211955360, 423910720, 847821440]

約数ペア:

[(1, 847821440), (2, 423910720), (4, 211955360), (5, 169564288), (8, 105977680), (10, 84782144), (16, 52988840), (20, 42391072), (32, 26494420), (40, 21195536), (64, 13247210), (80, 10597768), (128, 6623605), (160, 5298884), (320, 2649442), (640, 1324721)]