781123163536

素因数分解:

$2^4\times {\mathrm{2441}}^1\times {\mathrm{20000081}}^1$

素因数の和:20002530

約数の個数: 20

約数和(自身を含む): 1514046207564

約数和(自身を除く): 732923044028

約数列:

[1, 2, 4, 8, 16, 2441, 4882, 9764, 19528, 39056, 20000081, 40000162, 80000324, 160000648, 320001296, 48820197721, 97640395442, 195280790884, 390561581768, 781123163536]

約数ペア:

[(1, 781123163536), (2, 390561581768), (4, 195280790884), (8, 97640395442), (16, 48820197721), (2441, 320001296), (4882, 160000648), (9764, 80000324), (19528, 40000162), (39056, 20000081)]