80978144

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{194659}}^1$

素因数の和:194682

約数の個数: 24

約数和(自身を含む): 171690120

約数和(自身を除く): 90711976

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 416, 194659, 389318, 778636, 1557272, 2530567, 3114544, 5061134, 6229088, 10122268, 20244536, 40489072, 80978144]

約数ペア:

[(1, 80978144), (2, 40489072), (4, 20244536), (8, 10122268), (13, 6229088), (16, 5061134), (26, 3114544), (32, 2530567), (52, 1557272), (104, 778636), (208, 389318), (416, 194659)]