80716688

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{281}}^1\times {\mathrm{1381}}^1$

素因数の和:1683

約数の個数: 40

約数和(自身を含む): 169140216

約数和(自身を除く): 88423528

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 281, 562, 1124, 1381, 2248, 2762, 3653, 4496, 5524, 7306, 11048, 14612, 17953, 22096, 29224, 35906, 58448, 71812, 143624, 287248, 388061, 776122, 1552244, 3104488, 5044793, 6208976, 10089586, 20179172, 40358344, 80716688]

約数ペア:

[(1, 80716688), (2, 40358344), (4, 20179172), (8, 10089586), (13, 6208976), (16, 5044793), (26, 3104488), (52, 1552244), (104, 776122), (208, 388061), (281, 287248), (562, 143624), (1124, 71812), (1381, 58448), (2248, 35906), (2762, 29224), (3653, 22096), (4496, 17953), (5524, 14612), (7306, 11048)]