64422880

素因数分解:

$2^5\times 5^1\times {\mathrm{137}}^1\times {\mathrm{2939}}^1$

素因数の和:3091

約数の個数: 48

約数和(自身を含む): 153362160

約数和(自身を除く): 88939280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 137, 160, 274, 548, 685, 1096, 1370, 2192, 2740, 2939, 4384, 5480, 5878, 10960, 11756, 14695, 21920, 23512, 29390, 47024, 58780, 94048, 117560, 235120, 402643, 470240, 805286, 1610572, 2013215, 3221144, 4026430, 6442288, 8052860, 12884576, 16105720, 32211440, 64422880]

約数ペア:

[(1, 64422880), (2, 32211440), (4, 16105720), (5, 12884576), (8, 8052860), (10, 6442288), (16, 4026430), (20, 3221144), (32, 2013215), (40, 1610572), (80, 805286), (137, 470240), (160, 402643), (274, 235120), (548, 117560), (685, 94048), (1096, 58780), (1370, 47024), (2192, 29390), (2740, 23512), (2939, 21920), (4384, 14695), (5480, 11756), (5878, 10960)]