71332120

素因数分解:

$2^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{13613}}^1$

素因数の和:13755

約数の個数: 32

約数和(自身を含む): 161734320

約数和(自身を除く): 90402200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 131, 262, 524, 655, 1048, 1310, 2620, 5240, 13613, 27226, 54452, 68065, 108904, 136130, 272260, 544520, 1783303, 3566606, 7133212, 8916515, 14266424, 17833030, 35666060, 71332120]

約数ペア:

[(1, 71332120), (2, 35666060), (4, 17833030), (5, 14266424), (8, 8916515), (10, 7133212), (20, 3566606), (40, 1783303), (131, 544520), (262, 272260), (524, 136130), (655, 108904), (1048, 68065), (1310, 54452), (2620, 27226), (5240, 13613)]