81869060

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{44983}}^1$

素因数の和:45012

約数の個数: 48

約数和(自身を含む): 211604736

約数和(自身を除く): 129735676

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 44983, 89966, 179932, 224915, 314881, 449830, 584779, 629762, 899660, 1169558, 1259524, 1574405, 2339116, 2923895, 3148810, 4093453, 5847790, 6297620, 8186906, 11695580, 16373812, 20467265, 40934530, 81869060]

約数ペア:

[(1, 81869060), (2, 40934530), (4, 20467265), (5, 16373812), (7, 11695580), (10, 8186906), (13, 6297620), (14, 5847790), (20, 4093453), (26, 3148810), (28, 2923895), (35, 2339116), (52, 1574405), (65, 1259524), (70, 1169558), (91, 899660), (130, 629762), (140, 584779), (182, 449830), (260, 314881), (364, 224915), (455, 179932), (910, 89966), (1820, 44983)]