65169880

素因数分解:

$2^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{12437}}^1$

素因数の和:12579

約数の個数: 32

約数和(自身を含む): 147763440

約数和(自身を除く): 82593560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 131, 262, 524, 655, 1048, 1310, 2620, 5240, 12437, 24874, 49748, 62185, 99496, 124370, 248740, 497480, 1629247, 3258494, 6516988, 8146235, 13033976, 16292470, 32584940, 65169880]

約数ペア:

[(1, 65169880), (2, 32584940), (4, 16292470), (5, 13033976), (8, 8146235), (10, 6516988), (20, 3258494), (40, 1629247), (131, 497480), (262, 248740), (524, 124370), (655, 99496), (1048, 62185), (1310, 49748), (2620, 24874), (5240, 12437)]